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WALT – Understand the operation of subtraction 16 14 20 17 Mental starter With a partner discuss and solve this problem There are 6 people at a bus stop. A bus comes along and 3 people get on. How many people are left waiting? The story of 5 teddy bears 1 2 3 4 5
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WALT – Understand the operation of subtraction 16 14 20 17
Mental starter With a partner discuss and solve this problem There are 6 people at a bus stop. A bus comes along and 3 people get on. How many people are left waiting?
The story of 5 teddy bears 1 2 3 4 5 Once there were 5 teddy bears
1 fell off the shelf … 1 2 3 4 … then there were 4
4 5 subtract 1 equals 1 2 3 4
5 - 1 4 = 1 2 3 4
7 - 3 = 4 1 2 3 4 1 5 2 6 3 7 4
Bead subtraction – Triangles Storyboard subtraction - Circles Toy box subtraction - Squares Number line subtraction - Diamonds 1 2 3 4 5 6 7 8 9 10