## Grade 1 Math

## CONTENTS

Mixed operation, measurements, and data and graphs are the most challenging topics in first grade.

## Counting and number patterns

Any number you can use for counting. Number patterns is a list of numbers that follow a certain sequence or pattern.

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Count to fill a ten frame

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Counting review – up to 20

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Counting tens and ones – up to 20

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Count on ten frames – up to 40

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Skip-counting by twos

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Skip-counting by fives

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Skip-counting by tens

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Skip-counting by twos and fives

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Skip-counting by twos, fives and tens

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Counting – up to 100

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Counting tens and ones – up to 99

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Counting by twos, fives and tens

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Counting forward – up to 100

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Counting backward – up to 100

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Number lines

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Counting on the hundred chart

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Hundred chart

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Even or odd

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Identify numbers as even or odd

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Even or odd numbers on number lines

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Which even or odd number comes before or after?

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Skip-counting patterns – with tables

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Sequences – count up and down by 1, 2, 3, 5 and 10

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Ordinal numbers

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Writing numbers in words – convert words to digits

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Writing numbers in words – convert digits to words

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Roman numerals I, V, X

## Addition

In the primary grades, students develop an understanding of part-whole concepts – they learn that two or more parts can be combined to create a whole (addition).

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Ways to make a number – addition sentences

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Make a number using addition – sums up to 10

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Complete the addition sentence – sums up to 10

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Addition word problems with pictures – sums up to 10

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Addition word problems – sums up to 10

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Addition sentences for word problems – sums up to 10

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Addition facts – sums up to 20

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Addition sentences using number lines – sums up to 20

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Addition word problems – sums up to 20

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Make a number using addition – sums up to 20

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Addition sentences for word problems – sums up to 20

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Related addition facts

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Addition sentences: true or false?

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Use models to add a two-digit and a one-digit number – without regrouping

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Add a one-digit number to a two-digit number – without regrouping

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Use models to add a two-digit and a one-digit number – with regrouping

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Add a one-digit number to a two-digit number – with regrouping

## Subtraction

In the primary grades, students develop an understanding of part-whole concepts – they learn that two or more parts can be separated from a whole (Subtraction).

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Ways to make a number – subtraction sentences

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Ways to subtract from a number – subtraction sentences

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Make a number using subtraction – numbers up to 10

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Complete the subtraction sentence

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Subtraction word problems with pictures – numbers up to 10

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Subtraction word problems – numbers up to 10

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Subtraction sentences for word problems – numbers up to 10

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Subtraction facts – numbers up to 18

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Subtraction sentences using number lines – numbers up to 18

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Subtraction word problems – numbers up to 18

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Subtraction sentences for word problems – numbers up to 18

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Make a number using subtraction – numbers up to 20

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Related subtraction facts

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Subtraction sentences: true or false?

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Subtract a one-digit number from a two-digit number

## Mixed operations

Mixing different basic operations to solve questions and teaching the order of operations which tells us the order to solve steps in expressions with more than one operation.

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Which sign makes the number sentence true?

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Fact families

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Addition and subtraction facts – numbers up to 10

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Addition and subtraction facts – numbers up to 18

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Add and subtract numbers up to 40

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Addition and subtraction word problems – numbers up to 20

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Addition and subtraction word problems – numbers up to 40

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Ten more or less

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Add and subtract tens

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Addition and subtraction terms

## Comparing

Comparing numbers and understanding the concepts of greater than, less than, or equal to.

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Comparing numbers up to 20

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Comparing numbers up to 100

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Comparison word problems

## Estimation

Estimation is a math strategy used to guess a number or quantity. Understanding estimation helps to simplify numbers, making them easier to understand or work with.

Estimate to the nearest ten

## Fractions

Fractions help us to understand how many equal parts of a whole we have

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Halves and fourths

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Halves, thirds and fourths

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Make halves and fourths

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Make halves, thirds and fourths

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Make halves and fourths in different ways

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Simple fractions: what fraction does the shape show?

## Two-dimensional shapes

Two-dimensional geometry or plane geometry is about flat shapes like triangles and circles. Two-dimensional figures have only two dimensions such as width and height but no thickness. It also known as “2D”.

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Select two-dimensional shapes

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Rhombuses

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Count sides and vertices

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Compare sides and vertices

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Square corners

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Equal sides

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Congruent shapes

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Open and closed shapes

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Flip, turn and slide

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Symmetry

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Compose two-dimensional shapes

## Three-dimensional shapes

Having three dimensions such as Height, Width and Depth, like any real-world object is a three-dimensional figure. Three-dimensional geometry is about solid shapes like spheres or cubes. It is also known as “3D”.

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Name the three-dimensional shape

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Cubes and rectangular prisms

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Select three-dimensional shapes

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Count vertices, edges and faces

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Compare vertices, edges and faces

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Identify shapes traced from solids

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Identify faces of three-dimensional shapes

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Shapes of everyday objects I

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Shapes of everyday objects II

## Spatial sense

Expressing directions from different locations and understanding and classifying position of things. Spatial sense is an important part in geometry to visualize and the different position of one object to the other in relation to left and right, top and bottom, beside and far from each other.

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Beside and next to

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Left, middle and right

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Top, middle and bottom

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Location in a grid

## Data and graphs

A collection of facts, such as numbers, measurements or observations is called data. We can create a table with the data. A diagram of values, usually shown as lines is called graph.

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Interpret picture graphs

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Which tally chart is correct?

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Interpret tally charts

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Which table is correct?

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Interpret data in tables

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Interpret bar graphs

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Which bar graph is correct?

## Measurement

A number that shows the size or amount of something. Measurement is a fundamental component in comparing all physical quantities. There are two main systems of measurement: Metric and US standard.

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Tall and short

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Light and heavy

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Holds more or less

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Compare size, weight and capacity

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Measure using objects

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Measure length with cubes

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Measure height with cubes

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Read a thermometer

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Measure using a centimetre ruler

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Which metric unit of length is appropriate?

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Metric units of length: word problems

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Which metric unit of mass is appropriate?

## Geometric measurement

Geometric measurement is studying the properties of shapes by measuring them, like finding the Area or Perimeter of a shape.

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Area

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Select figures with a given area

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Create figures with a given area

## Money

Teaching students about how to add and subtract money values and understanding the prices and rounding them up. It is an important practice for real life problems like understanding the prices and how money relates to real world.

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Count nickels and dimes

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Count groups of coins

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Equivalent groups of coins

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Exchanging coins

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Compare money amounts

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Purchases: do you have enough money?

## Patterns

A pattern is a series or sequence that repeats. Mathematics patterns are sequences that repeat according to a rule or rules. Numbers can have interesting patterns.

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Size patterns

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Shape patterns

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Find the next shape in a pattern

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Complete a pattern

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Make a pattern

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Growing patterns

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Find the next shape in a growing pattern

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Find the next row in a growing pattern

## Probability and statistics

Probability is a branch of mathematics which describes randomness of events happening around us. The more likely an event to happen, the higher its probability would be.

More, less and equally likely

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Certain, probable, unlikely and impossible

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Certain, probable, unlikely and impossible

## Sorting, ordering, and classifying

To arrange or group in a special way like by size or type or alphabetically.

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Count shapes in a Venn diagram

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Put numbers in order – up to 20

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Put numbers in order – up to 100

## Time

Time is the ongoing sequence of events taking place. The past, present and future. We can measure time using clocks. Time has different units like second, minutes, hours, days and so on.

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Match digital clocks and times

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Match analogue and digital clocks

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Read clocks and write times

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A.M. or P.M.

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Times of everyday events

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Compare clocks

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Time and clocks: word problems

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Seasons of the year

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Days of the week

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Months of the year

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Read a calendar