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

The number after a given number is one more than it.

The number before a given number is one less than it.

Recall one and two more or less than numbers to ten

Recall doubles within 10

A near-double is a number close to a double.

Use near doubles within 10

A plan, a method or a way to solve a problem.

Secure fluency of addition and subtraction facts within 10

Choose a lesson (5)

Some of these lessons will soon be taken down.