In an expression, you always solve the part of the problem in ____________ first.
Parentheses
100
Choose the expression that shows the given value
17
a) (15 - 2) + 4
b) 15 - (2 + 4)
A
100
A _____________ is a letter which stands for a number.
Variable
100
What rule is being used?
6 - 12
14 - 20
9 - 15
11 - 17
Add 6
100
Yes or no...are the values on both sides of the equation equal?
1 quarter = 2 dimes
No
200
What part would you do first?
4 + (8 - 2)
8 - 2
200
Choose the expression that shows the given value
13
a) (72 - 18) + 41
b) 72 - (18 + 41)
B
200
Write an expression; choose a variable for the unknown
Thomas had some money in his bank account. He withdrew $10.
M - $10
200
If the rule is Subtract 8, and the Input is 12, what is the Output?
4
200
Yes or no...are the values on both sides of the equation equal?
1 dime - 2 pennies = 1 nickel + 3 pennies
Yes
300
Find the value of the expression
20 - (12 + 3)
5
300
Find the value of the expression
(14 + 6) - (9 - 2)
13
300
Write an equation; choose a variable for the unknown
Lauren and Chris are playing a game that takes 100 points to win. Lauren has 34 points. She needs p points more to win the game.
34 + P = 100
300
If the rule is Add 9 and the Inputs are 12 and 15, what are the Outputs?
21 and 24
300
Which is NOT true?
a) 14 - 8 = 4 + 2
b) 35 = 25 + 10
c) 16 - 7 = 17 - 8
d) 18 - 7 = 5 + 7
D
400
Find the value of the expression
(18 - 6) + 4
16
400
Where should the parentheses be placed to make the expression equal to the given value?
96
100 - 8 + 4
(100 - 8) + 4
400
Write an expression; choose a variable for the unknown
There are 18 students in karate class. Some new students join.
18 + S
400
Write the rule as an equation
b c
4 8
6 10
8 12
b + 4 = c
(or c = b + 4)
400
Complete the equation to make it true
2 + 7 + ___ = 10 + 7
8
500
Which does NOT have a value of 8?
a) 24 - (12 + 4)
b) (24 - 12) - 4
c) 4 + (20 - 16)
d) 12 - (6 + 2)
D
500
Find the number that gives the expression a value of 25
50 - (45 - ___)
20
500
There are 31 students in Miss McClintock's class. 15 are girls. The rest are boys.