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**Y3More Split Sums**

Adding pairs of 2-digit numbers using partitioning

**Frog’s Brave Big Jumps**

Subtracting pairs of 2-digit numbers with a bigger gap

**Y4Frogs Get Fitter**

Using counting up (Frog) to subtract pairs of 2-digit numbers

**Teach the Frog**

Using counting up (Frog) to subtract pairs of 2-digit numbers; Using counting up (Frog) to subtract pairs of 3-digit numbers within the same century

**Day 1**

Pairs to 6

**Day 2**

Number bonds to 10

**Day 3**

Multiples of 10

**Day 4**

Next multiple of 10

**Day 1**

Y1: Use partitioning to complete addition facts for 7.

Y2: Use number facts to add a 1-digit number to a 2-digit number.

**Day 2**

Y1: Draw missing cubes to complete addition facts for 8.

Y2: Use number facts to subtract a 1-digit number from a 2-digit number.

**Day 3**

Y1 Partition by colouring snakes or using fingers to complete addition facts for 10.

Y2 Use number facts to add a 1-digit number to a 2-digit number to find the next multiple of 10.

**Day 4**

Y1 Match balloons to consolidate number bonds to 10.

Y2 Using beaded lines or a 100-grid, find how many more to the next 10s number.

**Day 1 **

Add multiples of 10p

**Day 2**

Subtraction facts

**Day 3 **

Round 3-digit numbers to the nearest 10 or 100

**Day 4 **

Complements to 100

**In-depth Investigation: Hole-y Subtractions**

Y3: Children subtract numbers with identical digits from 101, 102, 103 ... and look for patterns in the answers.

Y4: Children create 3-digit palindromic numbers with a ‘hole’ (i.e. a zero) in the middle. They subtract 3-digit numbers with equal numbers of 1s, 10s and 100s and identify patterns.

**Day 1**Y3: Expanded addition for adding pairs of 3-digit numbers: no moving across columns; Begin to move a 10.

Y4: Use written subtraction to subtract 3-digit numbers with expanded decomposition; begin to explore regrouping.

**Day 2**Y3: Expanded addition for adding pairs of 3-digit numbers: move a 10 or a 100.

Y4: Subtract 3-digit numbers using expanded decomposition with one move.

**Day 3**Y3: Expanded addition (to include 1s>10 or 10s >100).

Y4: Use expanded decomposition to solve subtractions.

**Day 4**Y3: Use Frog to subtract numbers between 50 and 100 from a number between 100 and 150.

Y4: Choose whether to use Frog or expanded decomposition to subtract pairs of 3-digit numbers.