Worksheets & Whiteboard Resources for Primary Maths, SPaG & Science
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### Mathematics Number Facts Doubling and Halving

Year 1, Unit 2, Block B

## Double Dominoes

Recall the doubles of all numbers to at least ten

• Calendar
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Year 1, Unit 3, Block B

## Doubling Machine (KS1)

Recall the doubles of all numbers to at least 10

• Calendar
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Year 2, Unit 1, Block E

## Half and Half Again

Find one half, one quarter and three quarters of shapes and sets of objects

• Calendar
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Year 2, Unit 3, Block B

## Half and Double

Understand that halving is the inverse of doubling and derive and recall doubles of all numbers to 20, and the corresponding halves

• Calendar
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Year 2, Unit 3, Block B

## Jigsaw Doubles

Use knowledge of number facts and operations to estimate and check answers to calculations

• Calendar
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Year 3, Unit 1, Block B
Ages 7 - 8

## Counting Sheep

Use knowledge of number operations and corresponding inverses, including doubling and halving, to estimate and check calculations

• Calendar
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Year 3, Unit 1, Block E
Ages 7 - 8

## Division Ducks

Find unit fractions of numbers and quantities (e.g. 1/2, 1/3, 1/4 and 1/6 of 12 litres)

• Calendar
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Year 3, Unit 3, Block B
Ages 7 - 10

## Doubling Machine

Use knowledge of number operations and corresponding inverses, including doubling and halving, to estimate and check calculations.

• Calendar
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Year 4, Unit 1, Block A
Ages 8 - 10

## Split and Double Machine

Identify the doubles of two-digit numbers; use these to calculate doubles of multiples of 10 and 100 and derive the corresponding halves

• Calendar
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Year 4, Unit 3, Block B
Ages 8 - 9

## Perfume Patterns

Identify the doubles of two-digit numbers; use to calculate doubles of multiples of 10 and 100 and derive the corresponding halves

• Calendar
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