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# Y1 Maths Activities for Spring Term Weeks 1-4 – Block 1: Addition and Subtraction

Eight steps to teaching KS1 maths, based on the White Rose Maths scheme of work...

### Step 1 | Add by counting on

• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
##### Maths Focus
• Children will add numbers by counting on from one another.
• Children will know where to start the count and when to stop the count.

### Step 2 | Find and make number bonds

• Represent and use number bonds and related subtraction facts within 20.
• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
##### Maths Focus
• Children will find bonds to 20.
• Children will learn the link between bonds to 10 and bonds to 20.

### Step 3 | Add by making 10

• Represent and use number bonds and related subtraction facts within 20.
• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
• Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs.
##### Maths Focus
• Children will add two single-digit numbers that total more than 10, by breaking one number into two parts to bridge the 10.
• Children will deepen their understanding and proficiency in adding two single-digit numbers by bridging 10.

### Step 4 | Not crossing 10

• Represent and use number bonds and related subtraction facts within 20.
• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
• Solve one-step problems that involve addition and subtraction, using concrete and pictorial representations, and missing number problems.
##### Maths Focus
• Children will learn how to subtract by counting back.
• Children will solve number sentences that have missing numbers.

### Step 5 | Crossing 10 (part one)

• Represent and use number bonds and related subtraction facts within 20.
• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
• Solve one-step problems that involve addition and subtraction, using concrete and pictorial representations, and missing number problems.
##### Maths Focus
• Children will partition numbers and use this to help them subtract when crossing the 10.

### Step 6 | Crossing 10 (part two)

• Represent and use number bonds and related subtraction facts within 20.
• Add and subtract 1-digit and 2-digit numbers to 20, including zero.
• Solve one-step problems that involve addition and subtraction, using concrete and pictorial representations, and missing number problems.
##### Maths Focus
• Children will partition numbers and use this to help them subtract when crossing the 10.
• Children will build on their experience from Crossing 10 (1).

### Step 7 | Related facts

• Represent and use number bonds and related subtraction facts within 20.
##### Maths Focus
• Children will find and revise addition and subtraction facts to 20.