Definitions
Writing Expressions
Expressions in Words
Value of Expressions
Apply Opposite Operations
100
An arrangement of shapes, colors, numbers, letters, words, and so on, for which you can predict what comes next.
What is a pattern?
100
The perimeter increased by 15cm
What is p + 15?
100
W + 8
What is a number increased by 8?
100
b + 3 when b = 54
What is 51?
100
Opposite operation of addition
What is subtraction?
200
A letter that represents an unknown number.
What is a variable?
200
8 years younger than Sara
What is 8 - s?
200
7q
What is 7 times a number?
200
3 + 2y when y = 4
What is 11?
200
Opposite operation of multiplication
What is division?
300
Any single number or variable, or a combination of operations.
What is an expression?
300
Pencils shared equally among 4 students.
What is p/4?
300
5a - 8
What is 5 times a number minus 8?
300
2v - 15 when v = 7
What is -1?
300
89 =10f - 1
What is 9?
400
A number that does not change.
What is a constant?
400
Triple the width of a rectangle
What is 3w?
400
n/3 - 5
What is a number divided by 3 less 5?
400
18/c + r when c = 3 and r = 6
What is 12?
400
22 = 10 + 2m
What is 6?
500
A number that multiplies the variable.
What is numerical coefficient?
500
Double the length decreased by 2 cm.
What is 2l - 2?
500
5z - 23
What is 5 times a number minus 23?
500
8 - 4g when g = 6
What is -16?
500
130 = 25p - 20
What is 6?
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