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18 Cards in this Set
- Front
- Back
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Name all the laws |
Communitative law, associate law, distubutive law |
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What is a distrubutive law |
It lets u spilt big numbers up so they are easier for you multiply or add |
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What is a communitative law |
Two numbers that doesnt change the final result |
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What is a associate law |
Ro add or multiply two number that r easy to add like 1 and 9, 2 and 8 etc... |
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Does all of this strategies work with addition, multiply , division and subtraction |
No they only work with addition and multiplication |
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5 to the power of 4 |
5^4 |
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What is cube root |
Is a reverse of cubing an numbers |
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What is a squared root |
A reverse of squaring a number |
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Square numbers |
Square number is multiply the base number into the indices eg. 2^3 2×2×2 |
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How to multiply by 0s |
Multiply the numbers then add the 0s eg 8200×50 82×5= 410 Then add 3 0s =410 000 |
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How to Divide 0s |
U cancel the 0s Eg 640÷20= 64÷2=32 Ans=32 |
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What is working stages |
Number like to can also be 2×2 E.g 250×6 =25×2×3 =25×2=50 =50×3=1500 |
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Estimating × & ÷ |
You round it and times or divide according to the question |
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What is the acronym we use for order of operation |
Bimdas |
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What order do u have to do multiplication and division |
Left to right whatever is first from left to right |
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What operation do u have to do first addition or subtraction |
Whichever comes first when u read it from left to right |
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Are multiplication and division reversible in order of operation |
Yes |
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Are addition and subtraction reversable in order of operation |
Yes |
