Algebra

Which choice models this situation?

Lisa finished a race in 58 seconds. This was 4 seconds faster than her best practice time. What was Lindsey's best practice time?

• t + 4 = 58

• t - 4 = 58

• 4t = 58

• t/4 = 58

Tags

CCSS.HSA.CED.A.3

What operation would you use to get "x" by itself?
2x = 10

• addition
• subtraction
• multiplication
• division

Tags

CCSS.HSA.REI.A.1

Which one is the coefficient?
10y + 4

• y
• 10
• 4
• 10 and 4

Tags

CCSS.6.EE.A.2B

Which one is the variable?
2d - 6

• 2d
• 2
• d
• 6

Tags

CCSS.6.EE.A.2B

Write a numerical expression to match this phrase:

the cost of ten books if each costs three dollars

• 10 - 3

• 10 / 3

• 10 * 3

• 10 + 3

Tags

CCSS.6.EE.A.2A

Write a numerical expression to match this phrase:
the number of students in each group if twenty students are divided into 5 equal groups

• 20 / 5
• 20 x 5
• 20 - 5
• 20 + 5

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which one is the coefficient?
6c + 2d

• c and d
• 6
• 2
• 6 and 2

Tags

CCSS.6.EE.A.2B

Simplify the expression.
-b + 2 + 9b

• 2 + 8b
• 2 - 8b
• -8b + 2
• -2 - 8b

Tags

CCSS.7.EE.A.1

Simplify the expression.
-9 + (-4)

• 13
• -13
• 5
• -5

Tags

CCSS.7.NS.A.1C

2³ in factor form is...

• 1/2 to the 3rd power
• 2x2x2
• 8
• 2x2