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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is a variable? |
any letter or symbol that represents a number |
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What is a constant? |
a fixed value that does not change |
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What is a numeral expression? |
An expression that combines numbers and one or more operation symbol |
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Find the X 3 x = 2 +1 ?? |
X = 1 |
Magic Bridge. |
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What is 9x -3 = 42? |
X = 5 |
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There are 47 boys in class. This is three more than four times the number of girls. HOW MANY GIRLS ARE THERE IN CLASS? |
47 |
4 x + 3 = |
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If the distance is missing what operation will be used? |
Multiplication S x T |
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If the Time is missing what operation will be used? |
Division D ÷ S |
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Is tge amoung of space occupied by a 2 dimensional figure. |
Area |
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What are the formula of Triangle? |
1/2 x base x vertical height |
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What are the formula of Rectangle? |
Area = width x height |
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What are the formula of Square? |
Area = a² |
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What are the formula of Circle? |
Area= n X radius² |
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What are the formula of parallelogram? |
Area = base x vertical height |
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What are the formula of Trapezoid ( US) Trapezium (UK) |
Area= 1/2 ( a+b) x H (vertical height) |
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