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

________ + 0 = 100

________ + 60 = 130

________ + 120 = 140

________ + 20 = 90

________ + 110 = 150

________ + 100 = 120

________ + 10 = 80

________ + 40 = 70

30 + ________ = 50

60 + ________ = 80

40 + ________ = 140

110 + ________ = 130

20 + ________ = 70

0 + ________ = 90

50 + ________ = 150

10 + ________ = 30

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

100 + 0 = 100

70 + 60 = 130

20 + 120 = 140

70 + 20 = 90

40 + 110 = 150

20 + 100 = 120

70 + 10 = 80

30 + 40 = 70

30 + 20 = 50

60 + 20 = 80

40 + 100 = 140

110 + 20 = 130

20 + 50 = 70

0 + 90 = 90

50 + 100 = 150

10 + 20 = 30

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