GCF & LCM
What is the Least Common Multiple of 3 and 4?
12
Evaluate:
x + 4.5 if x=64.25
68.75
Write the algebraic expression for the phrase:
20 times the number of marbles
20m
Any letter is correct
Use the order of operations to solve the expression:
2 + 5 × 6
32
Combine like terms:
3a + 2a +4b
5a + 4b
What is the Greatest Common Factor of 12 and 18?
6
Evaluate:
2c - 3a + c if a=2 and c=7
15
Write the algebraic expression for the phrase:
16 more pickles than the first jar
j + 16
Any letter is correct
Use the order of operations to solve the expression:
17 – 5 × 3 + 3
5
Combine like terms:
2b + b2 + 3b2
2b + 4b2
Tiffany has 12 cups and 20 plates. She would like to group then into similar groups with none left over, in her display case. What is the greatest number of groups Tiffany can make?
4 groups
Evaluate:
x2 + (13 – 4 + x) if x=8
81
Write the algebraic expression for the phrase:
twice a number plus five
2x + 5
Any letter is correct
Use the order of operations to solve the expression:
11 + 9 (2 + 3) – 4
52
Distribute to write an equivalent expression:
2(a - 2b)
2a - 4b
Sam sells charry pies cut into 10 slices each and blueberry pies cut into 8 slices each. If Sam sold the same number of slices of each type of pie yesterday, what is the smallest number of pies of each type that Sam must have sold?
40 pies
The perimeter of a rectangle can be found using the expression 2L + 2W, where L represents length and W represents width. If the front of a building has the dimensions of L=110 feet and W=60 feet, what is the perimeter of the front the building?
340 feet
Write the algebraic expression for the phrase:
seven times two plus a number
7 × 2 + y
Any letter is correct
Use the order of operations to solve the expression:
43 + 2(7 – 4) – 6
64
Combine like terms:
3x + 5x + 8x + 2x2 + 3x2
16x + 5x2
Tim goes to the store every 6 days, and Ryan goes to the store every 8 days. They both went to the store today. Assuming they keep this up, in how many days will Tim and Ryan both go to the store again?
24 days
At the Gwinnett County Fair, each person pays $6 for admission plus $2.50 for each ride. While at the fair, Elian goes on 6 rides. Write an expression to find the total amount Elian spends. Use the expression to find how much Elian will spend at the fair.
6 + 2.50 x 6
$21
Write the algebraic expression for the phrase:
two less than a number multiplied by two
2x - 2
Any letter is correct
Use the order of operations to solve the expression:
52 • (14 – 6 ÷ 2) – 15
260
Distribute to write an equivalent expression:
8(3x + 4y)
24x + 32y