Subtraction
Addition
word problem
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100

10-3=

7

100

6+3

9

100

If sarah has 12 apples and gives 4 away, how many does she have?

8

100

what is math

math

200

5+7=

12

200

7+3

10

200

ARI had 9 balls, but lost 2 at his friends house. How many doe she have now?

7

200

what is math

math

300

20-6=

14

300

10+4

14

300

Tim had 7 apples, but he gave 2 away to a friend yesterday and another 1 away today. How many does he have now?

4

300

what is math

math

300

what is math

math

400

18-6=

12

400

11+7

18

400

Kate ate 3 pies today, no pies yesterday, and she ate 2 pies the day before. How many total pies did she eat?

5

400

Goldbach Conjecture

4 = 2+2

6 = 3+3

8 = 3+5

10 = 3+7 = 5+5

12 = 7+5

100 = 3+97 = 11+89

400

what is math

math

500

Which gives you the same sum as 5+1=6

3+3=6

4+2=6

500

what is the sum of 5 and 9

14

500

What is the difference between 12 and 5?

7

500

what is math

math

500

what is math

math

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