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12 questions
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- 1. Multiple Choice
Add using mental math:
72+16
88
54
64
- 2. Multiple Choice
Add using mental math:
84 + 12
96
72
76
- 3. Multiple Choice
Add using mental math:
90 + 10
100
80
50
- 4. Multiple Choice
Subtract using mental math:
45 -24
21
30
25
- 5. Multiple Choice
Subtract using mental math:
62 - 20
42
22
82
- 6. Multiple Choice
Subtract using mental math:
96 - 45
51
24
58
- 7. Multiple Choice
Subtract using mental math:
66 - 20
46
22
44
- 8. Multiple Choice
Add using mental math:
51 + 48
99
91
98
- 9. Multiple Choice
Subtract using mental math:
75 - 25
50
25
75
- 10. Multiple Choice
567 - 243
700
810
724
324
- 11. Multiple Choice
Dylan has 589 sea shells. She gives 147 sea shells to Vivian. How many shells does Dylan have left?
739
455
442
- 12. Multiple Choice
Nathan found 226 rocks. Blake brought 653 more rocks to Nathan's house. How many rocks do they have altogether?
879
364
842
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