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Grade 4 - Calculations with unknowns

English 10 Public

Working out what the unknown number is to review grade 4 math

Study Slideshow

1 + ? = 3

2

15

7 - ? = 5

2

15

14 - ? = 6

8

15

? + 5 = 12

7

15

? + 22 = 71

49

15

? - 50 = 50

100

15

? - 19 = 46

65

15

? + 67 = 67

0

15

67 - ? = 0

67

15

1352 - ? = 829

523

25