Halve numbers and explain what halving means

Maths

In this unit pupils will explain that addition is commutative. They will find pairs of numbers to 10 and add or subtract 1 from any number.  In the future unit pupils will demonstrate their fluency of addition and subtraction within ten. They will practise addition and subtraction strategies.

In prior learning, pupils will have learnt to count confidently and have developed a deep understanding of the numbers to 10, the relationships between them and the patterns within those numbers. In this unit pupils will explain that addition is commutative. They will find pairs of numbers that total 10 and add or subtract 1 to and from any number to 10.

Addition and subtraction facts within 10

How many cubes are needed on the other side to make this equal?

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

What number would complete this bar model?

Sam baked half the number of cakes as Jacob. Jacob baked 4 cakes. How many cakes did Sam bake?

What doubling equation is being shown on this seesaw?

Which of these part part whole models, would have a missing part of 5?

Match the equation to the correct explanation.

Sam makes a tower that uses double the number of cubes than the one below. How many cubes tall is Sam's tower?

Starter Quiz