4.3 Test Review (REG.)

The sum of the measures of two angles is 230.4 degrees. One angle has a measure of 48.12 degrees. What is m , the measure in degrees of the second angle?

Answer explanation

Remember, subtract 48.12 from 230.4.

Tags

CCSS.7.G.B.5

There are 120 students in the 6th grade at middle school. Each class has 20 students. How many 6th grade classes are there? Create the equation down below.

Answer explanation

Remember, read the word problem and underline any key terms. It will tell you what operation you will need to use. For example, each means multiply.

Tags

CCSS.HSA.CED.A.3

Which equation has a solution of x=3.6?

• -4.2 + x = -7.8

• -2x = 7.2

• 3.2 - x = 0.4

Answer explanation

Remember, just input 3.6 into each equation to see if it gets you the correct answer.

Tags

CCSS.6.EE.B.5

Which value of x solves the equation? 

     8k = 168

• 16

• 10

• 18

• 21

Answer explanation

Remember, do the inverse operation. Divide 168 by 8 to get your answer.

Tags

CCSS.6.EE.B.7

Write the expression that is equivalent to 6(2x - 14)

Answer explanation

Remember, multiply each inside number by the outside number.

Tags

CCSS.6.EE.A.4

Write the expanded expression for 13 (s + 7) - 5

Answer explanation

Remember, you multiply the numbers inside the parentheses by the number outside the parentheses. 5 is not in the parentheses, so it does not get multiplied by 13.

Tags

CCSS.6.EE.A.3

Which problem situation could be solved using the equation shown below?

5+r=8

• Five people were on a bus before r more people got on at York Street. If there are 8 people on the bus now, how many got on at York Street?

• Melissa had 8 strawberries and picked 5 more strawberries off her plant. If she had r strawberries in all, how many strawberries did she have?

• Eight birds can fit into each birdbath at a park. There are 5 bird baths at the park. What is r, the total number of birds in the birdbaths when they are full?

• Jared had r marbles. His sister borrowed 5 marbles. If Jared had 8 marbles left, how many marbles did Jared have in all?

Answer explanation

Remember, read the word problems carefully and understand what the key terms are saying to you.

Tags

CCSS.6.EE.B.7

Holly bought a magazine subscription for a year. She paid $27. Holly wanted to find the price, p, of the subscription each month. She created the model shown to help find this price.

• $39.00

• $2.25

• $324.00

• $22.50

Answer explanation

Remember, make sure you are using the inverse operation to find the variable. The inverse operation of multiplication is division, so you will divide 27 by 12.

Tags

CCSS.HSA.REI.A.1

Write the other expression that is equivalent to 23 + (75 + 46)

• 23 - (75 - 46)

• (23 + 75) + 46

• (23 x 75) x 46

Tags

CCSS.7.NS.A.1D

Answer explanation

Remember, PEMDAS.

Tags

CCSS.7.EE.B.3