To find the total, or sum, by combining two or more parts (addends), or to increase an amount by adding another.

To partition one part from another (the subtrahend from the difference), or to decrease an amount by taking an amount away.

To communicate mathematical ideas through models.

Represent addition and subtraction facts within 10

Maths

In this unit pupils will revisit addition and subtraction within ten. They will consolidate addition and subtraction strategies. In the future unit pupils will revisit their understanding that addends can be added in any order. They will consolidate adding and subtracting two numbers that bridge through 10.

In the prior unit pupils explained that addition is commutative. They found pairs of numbers to 10 and added or subtracted 1 from any number. In this unit pupils will revisit addition and subtraction within ten. They will consolidate addition and subtraction strategies.

Secure fluency of addition and subtraction facts within 10

Which of these represent the same addends being added?

Which number shown on the dice is missing from the bar model?

Which pair of dice could be the parts in this bar model?

Alex is trying to write all the addition and subtraction facts for this bar model. He cannot think of the last one.
What is the missing equation from his list? 

Which number line is representing 5 and 2 more?

Aisha earned 4 stickers in the morning and 2 stickers in the afternoon. How many stickers did she earn altogether?

There were 6 children at the park. 3 went home for tea. How many children are left at the park?

This lesson will soon be taken down.

Represent addition and subtraction facts within 10

Lesson outcome