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

________ + 20 = 140

________ + 70 = 120

________ + 80 = 100

________ + 90 = 150

________ + 10 = 40

________ + 40 = 50

________ + 0 = 60

90 + ________ = 100

0 + ________ = 50

80 + ________ = 140

70 + ________ = 120

130 + ________ = 150

20 + ________ = 30

30 + ________ = 130

10 + ________ = 60

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

120 + 20 = 140

50 + 70 = 120

20 + 80 = 100

60 + 90 = 150

30 + 10 = 40

10 + 40 = 50

60 + 0 = 60

90 + 10 = 100

0 + 50 = 50

80 + 60 = 140

70 + 50 = 120

130 + 20 = 150

20 + 10 = 30

30 + 100 = 130

10 + 50 = 60

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