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10 questions
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- 1. Multiple Choice
Use the 120 chart to estimate :
34 + 42
70
60
80
75
- 2. Multiple Choice
Use the 120 chart to estimate :
48 + 21
70
60
80
75
- 3. Multiple Choice
Use the place value to estimate :
48 + 21
70
60
80
75
- 4. Multiple Choice
Use the place value to estimate :
81 + 12
90
60
80
75
- 5. Multiple Choice
Use the place value to estimate :
81 - 12
90
60
80
70
- 6. Multiple Choice
Use the 120 chart to estimate :
35 + 42
70
60
80
75
- 7. Multiple Choice
Use the 120 chart to estimate :
37 - 29
40
10
50
20
- 8. Multiple Choice
Use the place value to estimate :
31 - 21
20
60
30
10
- 9. Multiple Choice
Use the place value to estimate :
31 + 21
20
60
30
50
- 10. Multiple Choice
Use the 120 chart to estimate :
84 - 42
40
60
50
75
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