Grade 1: Missing addend - whole tens - sums with 150
Solve.

________ + 10 = 20

________ + 0 = 60

________ + 70 = 90

________ + 50 = 120

________ + 90 = 110

________ + 40 = 150

________ + 30 = 130

________ + 20 = 140

________ + 80 = 100

50 + ________ = 60

0 + ________ = 120

10 + ________ = 130

30 + ________ = 150

70 + ________ = 100

80 + ________ = 110

40 + ________ = 140

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Grade 1: Missing addend - whole tens - sums with 150
The Answer.

10 + 10 = 20

60 + 0 = 60

20 + 70 = 90

70 + 50 = 120

20 + 90 = 110

110 + 40 = 150

100 + 30 = 130

120 + 20 = 140

20 + 80 = 100

50 + 10 = 60

0 + 120 = 120

10 + 120 = 130

30 + 120 = 150

70 + 30 = 100

80 + 30 = 110

40 + 100 = 140

Copying permission: You are free to copy this worksheet for your students and for personal use. Do not distribute on worksheets without permission. Copyright almanahj.com/us