Mathematical Operations and Applications

Simplify the expression: 3 + 5 * 2 - 4

• 7

• 9

• 12

• 10

What are the factors of 24?

• 1, 2, 4, 6, 8, 12, 24

• 2, 3, 4, 6, 8, 12, 24

• 1, 3, 4, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

Calculate: -3 * 4

• 0

• -7

• -12

• 5

If you owe $50 and then receive $30, what is your new balance?

• $80

• $5

• -$20

• $10

Round 6.78 to the nearest whole number.

• 7

• 5

• 8

• 6

Evaluate: 2^3 - 5 * 2

• -2

• -8

• 10

• 6

Find the factors of 36.

• 1, 4, 9, 15, 18, 36

• 1, 4, 8, 18, 36

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 3, 5, 9, 12, 18, 36

What is the product of -7 and -9?

• 63

• 81

• -56

• 15

If you gain $100 and then lose $80, what is your net gain/loss?

• $10

• $50

• $20

• $30

Round -4.56 to the nearest whole number.

• -6

• -4

• -5

• -3