balance the equation
subtraction
patterns
random
100

2+___=15-6

7

100

99-13=

86

100

How big are the jumps in this pattern?

93, 103, 113, 123

10

100

How many legs on 6 spiders?

48

200

___+6=27+13

34

200

56-17=

39

200

How big are the jumps in this pattern?

5, 18, 31, 44, 57

13

200

How many hours in two days?

24 + 24 = 48

300

53-___=19+9

25

300

53-35=

18

300

complete the pattern

100, 89, 78, 67, ___, ___

56, 45

300

What is the perimeter of a square with sides that are 6 inches long?

24

400

___+9=82-16

57

400

101-14=

87

400

complete the pattern

95, 200, 305, 410, ___, ___

515, 620

400

Use the numbers to make 24:

5    5    4    3

multiple solutions.  one example:

5x5=25     4-3=1      25-1=24


500

___+19=73-25

29

500

123-27=

96

500

complete the pattern.

z, y, x, w, v, u, ___, ___

t, s

500

How many seconds are in a minute?

60

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