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Recall the number of 10s within decades and decades that add to 100.

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Teaching resources for this Achievement Objective
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Number Boggle

Level One
Level Two
Number and Algebra
Numeracy activities

Recall the number of 10s within decades and decades that add to 100.

Recall addition and subtraction facts to 20.

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Ten Sweets Per Packet

Level One
Number and Algebra
Numeracy activities

Solve addition and subtraction problems with decade numbers by counting tens in their heads.

Recall the facts up to 10, and the teen facts.

Recall the number of 10s within decades and decades that add to 100.

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Zap

Level One
Level Two
Level Three
Level Five
Number and Algebra
Numeracy activities

Recall the number of 10s within decades and decades that add to 100.

Recall groupings within 100.

Find out how many ones, tens, hundreds and thousands are in all of a whole number.

Know what happens when a number is multiplied or divided by a power of 10.