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9 Cards in this Set
- Front
- Back
- 3rd side (hint)
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standard form
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A way of writing numbers with only digits. For example, 56,890
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A way to write numbers.
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expanded form
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A way to write numbers that shows the value of each digit. For example, 3,747 = 3,000 + 700 + 40 + 7
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commutative property
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The order of the numbers doesn't matter when we add or multiply. 7 x 4 = 4 x 7
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zero property of addition
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When you add zero to a number, the answer is always the other number. 7 + 0 = 7
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property of one for multiplication
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When you multiply a number by 1, the answer is always the other number. 5 x 1 = 5
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associative property
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When adding or multiplying three or more numbers, it doesn't matter which 2 numbers you add or multiply first. (5 + 6) + 4 = 5 + (6 + 4)
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symmetric property
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6 x 7 = 42, so 42 = 6 x 7
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fact family
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A set of related addition and subtraction or multiplication and division problems.
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equation
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A number sentence that uses an equals sign to show that two amounts are equal.
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