Math Review for Test 1

Practice flashcards for Test 1 covering various mathematical concepts and problem-solving.

How do you translate "Four more than eighteen is less than the sum of 5 and x" into a math sentence?

18 + 4 < 5 + x

What is the prime factorization of 280?

2
D
3

⋅ 5 ⋅ 7

List all the factors of 32.

1, 2, 4, 8, 16, 32

Which symbol makes the statement true: |− 5| ____ -4 + (-3)?

>

Which symbol makes the statement true: 6 ____ 6 ⋅ (2/3) ⋅ (2/3)?

>

Express 30/45 in lowest terms.

2/3

Simplify 9/11 ÷ 18.

1/22

Simplify 4/13 + 5/13.

9/13

Simplify 1 2/5 + 2 1/3.

3 11/15

Simplify 5/7 ⋅ 28/38.

10/19

Simplify 15 1/4 − 6 3/5.

8 13/20

Simplify 15 – 7.8.

7.2

Simplify 58.28 ÷ 0.12.

485.66
.
.

Simplify (4.5) ⋅ (1.3).

5.85

Simplify 3.2 + 14.75 + 100.5.

118.45

Round 289.2749 to the nearest hundredth.

289.27

Round 381.009 to the nearest hundred.

400

Express 3/8 as a decimal.

0.375

Write 8% as a decimal.

0.08

Write 2.75 as a percent.

275%

Find 3% of 80%.

2.4%

Simplify − 7 − 6 − (− 4).

-9

Simplify − 3 ⋅ (− 8) − 5 ⋅ 6.

-6

Simplify |− 7| ÷ 7.

1

Simplify 2/6.

1/3

Simplify (− 5) ⋅ (− 4).

20

Simplify − 11 + 2.

-9

Simplify − 6 + (− 12).

-18

Simplify 2/3 − 1/6.

1/2

Simplify 3(− 4)

2

− 60.

-12

Evaluate 2 + 5x – 3y when x = 30 and y = – 4.

164

Simplify 5(−2)

2

−2.

18

Simplify (8/11) − (−9) + 6(8−2).

45 8/11

Simplify (6 + 3 ⋅ 4) / ((0.6) ⋅ (0.8) / 0.4).

15

Which of the numbers 1, 2, or 3 are solutions to the equation 5x - 3 = x + 5?

2