Terminology
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2- step
word problems
100
Constant
A number that doesn't change
100
L+2=5
L=3
100
4B=8
B=2
100
4B+6=14
B=2
100
Tristan has 12 dollars, he spent half of it and then makes double. How much does he make each day?
he makes 12 dollars each day
200
variable
A number that represents a unknown number
200
15-B=-7
B= 22
200
35÷B=5
B=7
200
67-9+B=70
B=12
200
Brenden had 27 toy cars he gave 15 to Tristen and C to Braeden. If Brenden has 7 cars left then how much did he give Braeden?
5 toy cars
300
equation
A statement that the values of two mathematical expressions are equal.
300
69-T=42
T=27
300
35xJ=70
J=2
300
45÷5+O=43
O=34
300
Tristen makes D dollars a day. If he worked for two weeks at 5 days a week and made 100 dollars. How much money would he make each day?
D=10 dollars
400
Opposite operations
A mathematical operation that undoes another operation.
400
204+B=400
B=196
400
220÷B=22
B=10
400
5000÷500xB=40
B=4
400
Tyra made U dollars in a week. Danny made 640 dollars in a week if Danny made double of the amount Tyra made then how much did Tyra make?
Tyra made 320 dollars
500
Numerical coefficient
A number that multiplies the variable.
500
566-123+B=477
B=34
500
1. 60xB=360 2.360÷B=45
B=6 B=8
500
678+213-V=768
V=123
500
Larissa has 366 marbles, she dropped half of the marbles, then bought M. How much marbles did she have buy if there are now 549 marbles?
M=366
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