Exponents
Write 9^5 in expanded form.
9x9x9x9x9
What is the LCM of 4 and 6?
12
80-4^2÷8
78
6 less than a number y
y-6
Generate an equivalent expression by combining like terms:
13a + 9b - 4a +b
9a + 10b
Write the following expression in exponential form:
7x7x7x7x7x7
7^6
What is the GCF of 12 and 16?
4
3^2+2[(21-9)÷4]
15
twice a number b multiplied by the sum of 12 and a number y.
2b(12 + y)
Generate an equivalent expression by using the distributive property.
18(6w-12)
108w-216
Evaluate:
4^0
1
Julia swims every Friday. She plays volleyball every 9 days. How often does Julia swim and play volleyball on the same day?
Every 63 days
[(2^3×2.5)÷1/2]+120
160
Evaluate the algebraic expression when a= 1/3, b=6 and c=9
18a+b^2/c
10
Simplify the expression:
9(13y + 7m - 2m - 13y + 6m)
99m
Evaluate: 3^5
243
You have 50 blueberry scones and 75 cranberry scones. You want to make as many identical bags as possible. Each bag should have an equal number of blueberry scones and an equal number of cranberry scones. What is the greatest number of bags you can fill?
25 bags
92.3-(3.2÷0.4)×2^3
28.3
Write the following expression. Then, evaluate when y=20
triple y added to the difference of y and 9.
3y+(y-9)
=71
Factor the expression:
24m + 18y - 36
6(4m + 3y - 6)
Evaluate: 9^6
531,441
Train A arrives at the station every 10 minutes. Train B arrives at the station every 12 minutes. If both trains arrive at the station at 9:10 am, when will be the next time that they arrive simultaneously?
10:10 am
Paula bought three candy bars for $5.50 each. She had a coupon for $2.50 off her purchase. Then, she split the final price with her friend. Write a numerical expression to determine how much Paula pays for the candy. Then, evaluate the expression.
Answer: $7.00
Expression:
[(5.50×3)-2.50]÷2
Joanna bought "a" pounds of apples for $1.72 per pound. She paid for the apples with a $20 bill. Write an expression to determine the change Joanna would receive after buying "a" pounds of apples. Then, evaluate the expression if Joanna bought 2.5 pounds of apples.
20-1.72a
20- 1.72(2.5)= $15.70
Simplify the expression:
b/2+b/2
b