| Adding whole tens (2 addends) numbers - sum 90 or less The number of all possible operations is equal to 56 | |
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| Solve. | |
60 + 0 = __________ 80 + 0 = __________ 40 + 0 = __________ 50 + 30 = __________ 0 + 40 = __________ 80 + 10 = __________ 10 + 20 = __________ 0 + 10 = __________ 40 + 40 = __________ 20 + 0 = __________ 10 + 10 = __________ 10 + 80 = __________ 10 + 30 = __________ 10 + 60 = __________ 20 + 10 = __________ 30 + 30 = __________ 30 + 60 = __________ 30 + 10 = __________ 20 + 30 = __________ 40 + 10 = __________ 20 + 70 = __________ 60 + 10 = __________ 30 + 40 = __________ 30 + 0 = __________ 40 + 20 = __________ 0 + 50 = __________ 10 + 40 = __________ 30 + 20 = __________ | 30 + 20 = __________ 90 + 0 = __________ 10 + 0 = __________ 0 + 80 = __________ 50 + 0 = __________ 10 + 50 = __________ 0 + 0 = __________ 40 + 50 = __________ 50 + 40 = __________ 20 + 50 = __________ 40 + 30 = __________ 60 + 20 = __________ 70 + 0 = __________ 0 + 90 = __________ 50 + 10 = __________ 10 + 70 = __________ 20 + 60 = __________ 0 + 70 = __________ 60 + 30 = __________ 0 + 20 = __________ 30 + 50 = __________ 20 + 20 = __________ 20 + 40 = __________ 0 + 60 = __________ 50 + 20 = __________ 70 + 20 = __________ 70 + 10 = __________ 0 + 30 = __________ |
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| Adding whole tens (2 addends) numbers - sum 90 or less The number of all possible operations is equal to 56 | |
|---|---|
| The answer. | |
60 + 0 = 60 80 + 0 = 80 40 + 0 = 40 50 + 30 = 80 0 + 40 = 40 80 + 10 = 90 10 + 20 = 30 0 + 10 = 10 40 + 40 = 80 20 + 0 = 20 10 + 10 = 20 10 + 80 = 90 10 + 30 = 40 10 + 60 = 70 20 + 10 = 30 30 + 30 = 60 30 + 60 = 90 30 + 10 = 40 20 + 30 = 50 40 + 10 = 50 20 + 70 = 90 60 + 10 = 70 30 + 40 = 70 30 + 0 = 30 40 + 20 = 60 0 + 50 = 50 10 + 40 = 50 30 + 20 = 50 | 30 + 20 = 50 90 + 0 = 90 10 + 0 = 10 0 + 80 = 80 50 + 0 = 50 10 + 50 = 60 0 + 0 = 0 40 + 50 = 90 50 + 40 = 90 20 + 50 = 70 40 + 30 = 70 60 + 20 = 80 70 + 0 = 70 0 + 90 = 90 50 + 10 = 60 10 + 70 = 80 20 + 60 = 80 0 + 70 = 70 60 + 30 = 90 0 + 20 = 20 30 + 50 = 80 20 + 20 = 40 20 + 40 = 60 0 + 60 = 60 50 + 20 = 70 70 + 20 = 90 70 + 10 = 80 0 + 30 = 30 |
| Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright almanahj.com/us | |