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Java Games: Flashcards, matching, concentration, and word search. |
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3rd grade Advanced math-fact family
Find the inverse operation or the fact family eqivalent of the problems. For the vocabulary words find their definitions.
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| A | B |
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| 2 + 4 = 6 | 4 + 2 = 6 |
| 7 - 3 = 4 | 7 - 4 = 3 |
| fact family | set of related addition and subtraction, or multiplication and division number sentences. |
| regroup | exchange amounts of equal value to rename a number. |
| addend | any of the numbers that are added. |
| sum | answer to an addition problem |
| difference | answer to a subtraction problem. |
| 7 multiplied by 3 equals 21 | 21 divided by 7 equals 3 |
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