It's Beginning to Look a Lot Like Math
All I Want for Christmas is Math
Twelve Days of Math
Math Is Coming to Town
100
Write the following numerical expression as a word phrase.
12 + 4
The sum of 12 and 4
12 plus 4
12 increased by 4
4 more than 12
4 added to 12
100
Which of these expressions are algebraic expressions?
A. 10(140÷35)
B. 17xy
C. 90y−25
D. 11+32•15
E. 19xy+40
B, C, and E
100
Express the given statement as an algebraic expression.
The height, h, increased by 9 inches
h + 9
100
Evaluate the numerical expression 12(9 − 3).
72
200
Evaluate 8s for s = 4.
32
200
Use the order of operations to evaluate the expression.
9+2(3+6)÷2
The simplified expression is 18.
200
The numbers and operations are in the same order in the two expressions below. Are the two expressions equivalent?
25+7×12÷4
(25+7)×(12÷4)
No they are no equivalent. The first expression is 46 whereas the second expression is 96.
200
Evaluate 18 ÷ y for y = 3.
6
300
Identify the coefficient, variable, and constant in the expression 3x + 10.
Coefficient: 3
Variable: x
Constant: 10
300
Evaluate 12−n for n = 3.
9
300
Evaluate 3r ÷ 5 for r=15.
9
300
Rewrite the expression using an exponent. Then find the value of the expression.
7×7×7
7^3
343
400
You worked on a school project every day for 7 days. Each day, you worked for 2 hours in the morning and 4 hours in the afternoon. Which expression below correctly represents the total number of hours you worked on the project? Then answer, how many hours did you work on the project over the 7 days?
A. (7 + 2) x 4
B. (7 x 2) + 4
C. 2 + 4 x 7
D. 2 x 4 + 7
E. 7 x (2 + 4)
E. 7(2 + 4)
You worked on the project 42 hours over 7 days.
400
Write this expression using repeated multiplication. Then give its value.
6^4
6*6*6*6
1,296
400
Evaluate the expression.
48 ÷ 4^2 + (20 − 15)
The expression simplifies to 8.
400
Identify the following in the expression below.
12x + c - 8
How many terms?
What are the coefficients?
What are the variables?
What are the constants?
Terms: 3; 12x, c, and 8
Coefficients: 12, 1
Variables: x, c
Constants: 8
500
(2/3)^4 + 3
3-16/81
500
Which of the following description fits the expressions:
8(3x+4)
Quotient of two factors
Product of two factors
Difference of two factors
Sum of two factors
Product of two terms
2. Product of two factors
500
B. The difference of two terms
500
Simplify the expression for y = 3.
5 + 24/y
13