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

________ + 10 = 140

________ + 110 = 120

________ + 20 = 150

________ + 40 = 50

________ + 60 = 70

________ + 50 = 130

________ + 30 = 110

________ + 0 = 100

90 + ________ = 100

60 + ________ = 130

0 + ________ = 140

30 + ________ = 80

20 + ________ = 150

10 + ________ = 120

80 + ________ = 90

40 + ________ = 70




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

130 + 10 = 140

10 + 110 = 120

130 + 20 = 150

10 + 40 = 50

10 + 60 = 70

80 + 50 = 130

80 + 30 = 110

100 + 0 = 100

90 + 10 = 100

60 + 70 = 130

0 + 140 = 140

30 + 50 = 80

20 + 130 = 150

10 + 110 = 120

80 + 10 = 90

40 + 30 = 70