Solve Expressions
Surface Area/Area
Write Expressions
GCF and LCM
VOCABULARY
100
2b3 - 2(a4 + 4a)
where a = 2 and b = 3
6
100
Find Surface Area
(rectangle: L = 4 w =6)
(square: L = 4)
square = 2(4 x 4) = 32
rectangle = 4(4 x 6) = 96
total SA = 32 + 96 = 128 u2
100
Sam has 80 stickers. He collects 4 more at each store that he visits. Write an expression for the number of stickers he has after visiting "s" stores.
4s + 80
100
What is the GCF of 32 and 48?
GCF = 16
100
What is the name for the pattern that shows the different faces of a 3D shape flattened out?
Net
200
122/32 - 13
3
200
Find Surface Area
square = 10 x 10 = 100
triangles = 12 x 10/2 = 60 x 4 = 240
total SA = 240 + 100 = 340 cm2
200
Sarah has a barrel with apples in it. She adds 35 more apples to the barrel. Then she shares the apples equally among 5 friends. Write an expression to represent the number of apples each friend receives.
(b + 35)/5
200
What is the LCM of 12 and 6?
LCM = 12
200
What are the terms in this expression?
4x - 3 + 2p
4x 3 2p
300
252 - 626
-1
300
Write an expression that can be used to find surface area of a cube.
SA = 6s2
300
Margaret has 16 yards of fabric, and she is making dresses for 𝑧 dolls. Write the expression for the length of fabric used for each doll.
16/z
300
What is the GCF of 42 and 70?
GCF = 14
300
What is the coefficient for m?
4w - m + 2
1 is the coefficient
1m = m
400
92(3 +7)3 - 48
1,033
400
find Surface Area
front/back = 2(15 x 6) = 180
top/bottom = 2(15 x 12) = 360
side/side = 2(12 x 6) = 144
total SA = 684 in2
400
Olivia had 14 needles in her sewing kit, but she lost 𝑟 needles and then split the remaining needles with her sister. Write the expression for the number of needles in her sewing kit now.
(14 - r)/2
400
What is the LCM of 25 and 15?
LCM = 75
400
What is a constant term?
A term that stays the same and doesn't change in the expression.
500
What is the surface area of the figure below?
SA = 240 cm2
bottom = 12 x 4 = 48 top = 12 x 7 = 84 back = 12 x 7 = 84
triangles = 1/2 (4 x 6) = 12 (12 x 2 triangles = 24)
500
What are all the factors of 144?
1 x 144 2 x 72 3 x 48 4 x 36 6 x 24 8 x 18
9 x 16 12 x 12
500
What is a letter or symbol that stands for a missing number called?
variable