# 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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### Counting back; understand + and –

Mastery: Reasoning and Problem-Solving
Maths
Y1/2

In-depth Investigation
Y1: Number Balance
Can you hang weights in the right place to make the equaliser balance? Number Balance from nrich.maths.org.

Y2: Getting the Balance
If you hang two weights on one side of this balance, in how many different ways can you hang three weights on the other side for it to be balanced? Getting the Balance from nrich.maths.org.

Y1
What's Before Beryl?

Saying the number before any number up to 6, then 10

Dig for Acorns
Subtracting 1 from any number from 2 to 6, and then from 2 to 10, by saying the number which comes before

Y2
Spider's Workout

Adding and subtracting 10 using a 1-100 grid

Easy Come, Easy Go
Adding and subtracting 10 using coins

Y3
Perfect Pairs

Using addition facts for 6, 7, 8, 9 and 10

Patterns Practice
Using addition fact to add single-digit numbers to 2-digit numbers, e.g. using 5 + 3 = 8 to work out 25 = 3 (not crossing 10s)

Y4

Collect 'em Up!
Adding 2-digit numbers using partitioning (total more than 100); Beginning to add 3-digit numbers (total less than 1000)

### Strategies for adding and subtracting

Mastery: Reasoning and Problem-Solving
Maths
Y3/4

In-depth Investigation
Use the games from the Day 3 group activities.

Day 1
Addition facts for numbers 6 to 10

Day 2
Know by heart totals of any pair of 1-digit numbers

Day 3
Complements to multiples of 10

Day 1
Y3: Write missing numbers in equalities.