Solve addition and subtraction problems involving length

Maths

In this unit pupils will consolidate their counting to 20. They will measure objects using non-standard and standard measures and record outcomes. In the future unit pupils will explore the counting sequence for counting to 100 and beyond and represent the numbers from 20-99 in different ways, including marking the position on a number line.

In prior learning, pupils will have had opportunities to use manipulatives to organise counting including using everyday manipulatives, tens frames and through shape, space and measures. In this unit pupils will consolidate their counting to 20. They will measure objects using non-standard and standard measures and record outcomes.

Numbers 0 to 20 in different contexts

Look at the tower of blocks.  It shows that 6 cm is a part and 10 cm is a part. 16 cm is the {{ }}.

True or false. If we change the order of the addends, the sum stays the same.

Match the double number to the correct total.

Look at the part-part-whole model. Match the numbers to the correct words,

Look at the playdough snake that Lucas made. The whole snake was 16 cm long. He snipped off a part and the part that was left was 6cm long. How long was the part that Lucas snipped off? {{ }} cm.

Which calculations could this part-part-whole model show?

What is the missing part in the part-part-whole model?

What is the missing whole in the bar model?

Which equation matches this representation of doubling?

Match the doubling representations to their equations.

Which equation does this ‘first, then, now’ story represent?

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