ADDING SUBTRACTION CHALLENGE
100
What is 4+2
6
100
What is 5-2
3
100
What is 21-1
20
200
What is 6+3
9
200
What is 7-4
3
200
What is 22-3
19
300
What is 12+4
16
300
What is 15-5
10
300
What is 25-5
20






OPERATIONS AND ALGEBRAIC THINKING

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