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

________ + 40 = 100

________ + 10 = 90

________ + 0 = 40

________ + 100 = 140

________ + 90 = 130

________ + 20 = 50

________ + 80 = 150

20 + ________ = 70

70 + ________ = 120

60 + ________ = 130

0 + ________ = 50

10 + ________ = 60

120 + ________ = 140

80 + ________ = 150

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

60 + 40 = 100

80 + 10 = 90

40 + 0 = 40

40 + 100 = 140

40 + 90 = 130

30 + 20 = 50

70 + 80 = 150

20 + 50 = 70

70 + 50 = 120

60 + 70 = 130

0 + 50 = 50

10 + 50 = 60

120 + 20 = 140

80 + 70 = 150

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