Compensation Lesson Quiz

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Which do you think is easier?
1. Compensation with Addition
2. Compensation with Subtraction
3. Study
Which of the following is a correct compensation for 32 - 18 =
1. 34 - 20
2. 30 - 20
3. Study
Which of the following is a correct compensation for 26 - 15 =
1. 31 - 20
2. 21 - 21
3. Study
Which of the following is a correct compensation for 141 + 38 =
1. 139 + 40
2. 143 + 40
3. Study
Which of the following is a correct compensation for 71 - 16 =
1. 67 - 20
2. 75 - 20
3. Study