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

________ + 60 = 130

________ + 140 = 150

________ + 20 = 40

________ + 0 = 70

________ + 10 = 60

________ + 80 = 120

________ + 100 = 140

________ + 70 = 90

________ + 50 = 80

10 + ________ = 110

100 + ________ = 130

110 + ________ = 120

20 + ________ = 150

0 + ________ = 40

50 + ________ = 90




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

70 + 60 = 130

10 + 140 = 150

20 + 20 = 40

70 + 0 = 70

50 + 10 = 60

40 + 80 = 120

40 + 100 = 140

20 + 70 = 90

30 + 50 = 80

10 + 100 = 110

100 + 30 = 130

110 + 10 = 120

20 + 130 = 150

0 + 40 = 40

50 + 40 = 90