Algebraic Expressions and Operations review

Algebraic expressions

100

Write an expression for the sum of 7 and a number n.

What is 7+n

200

Write an expression for 3 times a number x decreased by 4.

3x-4

300

Write an expression for the product of 5 and the difference of y and 2.

5(y-2)

400

Write an expression for the quotient of a number m and 6, increased by 8.

(m/6)+8

500

Write an expression for twice the sum of a number k and 9, minus 7.

2(k+9)-7

Order of operations

100

2+3 * 4

14

200

(5+3) * 2

16

300

18 ÷ 3+2²

10

400

6+[2 * (5-1)]

14

500

(12-4) -: 2+3 * 2

10

Math Words and terms

100

How do you write 4 cubed?

4³

200

What do you call a letter that represents an unknown number?

what is a variable?

300

What is the answer to a multiplication problem called?

What is a product?

400

What do you call a number multiplied by a variable in an expression?

What is a coefficient?

500

What is an expression that has the same value as another expression called?

What is an equivalent expression?

exponent and like terms

100

Combine like terms: 6n + 4s + 2.5n + 3s

8.5n +7s

200

what is 2⁴

16

300

2³+3²

17

400

Simplify 4x²+3x²

7x²

500

Enter an expression that shows the sum of exactly two terms that is equivalent to 2(5n + 3z)

What is 10n + 6z ?

solve when n=...

100

solve n + 5 when n=3

8

200

solve 4n when n=6

24

300

solve (2n-7) + 4 when n=8

13

400

Solve  4+5.5-2.5*n when n=2 .

4.5

500

3(n-2)+4n when n=7

43