# Collected Resources

Find collected resources for your year group: all our Procedural Fluency Practice Worksheets, Extra Support, Problem-Solving Investigations and SPAG Presentations.

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Mastery: Reasoning and Problem-Solving

### Revise expanded and column addition

Maths
Y3

In-depth Investigation: Mobile Towers
Children create 4 or five 2-digit numbers and add these to get different totals.

Extra Support

### 3-digit expanded and compact addition

Maths
Y3

Totally Investigative
Adding any pairs of 2-digit numbers using partitioning (including 1s> 10 AND 10s > 100)

Mental/Oral Maths Starters

### Efficient strategies for mental add/subt

Maths
Y3

Day 1
Adding multiples of 10 and 100 to 3-digit numbers (pre-requisite skills)

Day 2
Place value subtractions (pre-requisite skills)

Worksheets

### Efficient strategies for mental add/subt

Maths
Y3

Day 1
Add multiples or near multiples of 100. Choose a method to add a pair of 3-digit numbers.

Day 2
Find the missing ‘nearly number’ in 3-digit subtractions.

Mastery: Reasoning and Problem-Solving

### Subtract large numbers using counting up

Maths
Y3

In-depth Investigation: Step Change
Children find change from 2 or 3 notes. They explore patterns in the pence.

Worksheets

### Revise expanded and column addition

Maths
Y3

Day 1
Round 2-digit numbers to the nearest 10; choose three or four of them to add up to approximate one of several target numbers.

Day 2
Round 3-digit numbers to the nearest 10; choose two or three of them to add up to approximate one of several target numbers.

Day 3
Round to the nearest pound to estimate each total. Then use column addition to ﬁnd the exact answer.

Day 4
Calculate the price of 2 items, and then the change from £5, £10 or £20.