3911898
Description
Flashcards by Lauren Jatana, updated more than 1 year ago
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Created by Lauren Jatana
over 8 years ago
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| Question | Answer |
| what is expanded form? | 1000+900+40+2 standard is 1942 |
| expanded notation of 456? | face value×place value 4×100 + 5×10 + 2×1 |
| PRACTICE: "break it down" multiplication E.g. 72 * 2 | (70+2)*2 70 *2 + 2*2 140 + 4 144! |
| What is a good way to quickly check "break it down" multiplication questions? e.g. 72*2 is 144? | Just multiply last digit 2*2 is 4 so good! |
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