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- 1. Multiple Choice
Use mental math to multiply 150 x 20.
300
3,000
30,000
300,000
- 2. Multiple Choice
Use mental math to multiply 0 x 50 x 800
400,000
40,000
4,000
0
- 3. Multiple Choice
Use mental math to multiply 500 x 40.
2,000
20,000
200,000
2,000,000
- 4. Multiple Choice
Use mental math to multiply 120 x 50
6,000
60,000
600,000
600
- 5. Multiple Choice
Use mental math to multiply 60 x 70 x 1
420
420,000
4,200
4,300
- 6. Multiple Choice
Use mental math to multiply 9,000 x 80.
72,000
720,000
7,200
810,000
- 7. Multiple Choice
Use mental math to multiply 100 x 10 x 1.
100
2,000
1,000
10,000
- 8. Multiple Choice
Use mental math to multiply 30 x 20.
60
50
500
600
- 9. Multiple Choice
Use mental math to multiply 1,400 x 2,000
280,000
2,800,000
28,000
28,000,000
- 10. Multiple Choice
Use mental math to multiply 1,000 x 200 x 30
6,000,000
600,000
6,000
7,000,000
- 11. Multiple Choice
A chain of fast-food restaurants orders 8,000 hamburger patties for each of its 50 stores. How many hamburger patties are needed in all?
13,000 hamburger patties
40,000 hamburger patties
130,000 hamburger patties
400,000 hamburger patties
- 12. Multiple Choice
Use mental math to multiply 150 x 50.
7,500
750
75,000
750,000
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