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Practice Test 1
Here are some of the calculations that you can do mentally after
practicing the Lesson 1. See how many you can do. Check your answers
with a calculator. Your mental math powers should be impressive!
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42x48 |
54x56 |
63x67 |
82x88 |
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37x77 |
34x74 |
22x82 |
37x55 |
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55x37 |
88x28 |
91x44 |
64x73 |
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108x105 |
106x112 |
109x111 |
109x103 |
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45x65 |
73x77 |
44x82 |
106x103 |
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How many could you do quickly and accurately?
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