Math Monthly 3 Review

Math Monthly 3 Review

How many square units is the total area of the shaded shape, if each square represents one square unit?

In which equation is the missing number 7?

•  $6\ \times\ ?\ =\ 42$  

•  $?\ \div5\ =\ 4$   

•  $36\ \div\ ?\ =\ 6$   $\ \$  

•  $?\ \times\ 6\ =\ 30$  

What is the sum of 477+ 398 ?

A number was rounded to the nearest 100 and the result was 800.

What is the smallest value the number could be?

Select the expression that could help you solve 6 x 8 .

A worker at a clothing store needs to set up 6 display tables with 8 sweaters on each table.

How many sweaters are needed for the display?

What number multiplied by 5 is 45?

What is the product of 6 and 8?

1. Write the equation that includes the answer.

2. Write a division equation that goes with #1.

How many total squares of paper will cover the bed?

Rashad measures the area of his bed with squares of paper that are each 1 square foot. Rashad measures the length of his bed from the bottom to the pillow as 5 squares. From the pillow to the top is 1 square. The bed is 3 squares wide.

A. 3

B. 8

C. 15

D. 18

Select all of the expressions that could be used to find the total number of circles shown.

 $A.\ \ 5\ +\ 8\ =\ 40$  

 $B.\ \ 8\ -\ 5\ =\ 40$  
 $C.\ \ 8\ \times\ 5\ =\ 40$  
 $D.\ 8\ \div\ 5\ =\ 40$  
 $E.\ \ 5\ \times\ 8\ =\ 40$  

What is the area of Rectangle A?

What is the area of Rectangle B?

Sandy earned $30 raking leaves. He promised that he would divide the earnings equally between himself and his four friends, who helped him rake the leaves. How many dollars will each person receive?

_______ dollars

Sal made $30 per day selling cookies at a festival for the last 8 days. How many dollars did Sal make selling cookies in total?

______ dollars

Solve 498 - 209.

498 - 209 = ___

Select all of the equations that demontrate the Distributive Property.

Roxanne claims that the area of the figure shown is 16 square inches. Is she correct? Explain.

How many meters long is the missing side of this rectangle, if its total area is 54 square meters?

Lauretta says that when a number between 1 and 9 is multiplied by 5, the product is odd. Is she correct?

A. No, for example, 2 x 5 = 10, and 2 is between 1 and 9.

B. Yes, for example, 5 x 5 = 25 is odd, and 5 is between 1 and 9.

C. Yes, the product of any number multiplied by 5 is odd. For example, 3 x 5 = 15.

D. No, the product of any number multiplied by 5 is always even. For example, 2 x 5 =10

Gerald was training to run a full marathon. He ran 20 days in a row for 10 miles each day.

1. Write an equation to show how many miles Gerald ran in all.

2. How many miles did he run in all?

Veronica earns $2 for each cupcake she sells, and $8 for each pie she sells. How many cupcakes must Veronica sell to earn the same amount that she earns selling 4 pies?

number of cupcakes = _____

This week, Marie spent $5 on lunch each of the 5 school days, and $12 on lunch on Saturday. How many dollars did Marie spend on lunch this week?

number of dollars = _______

Two grocery stores in the same time sell bags of potatoes. At store A, each bag weighs 6 kilograms. At store B, each bag weighs 11 kilograms. If you buy 5 bags from each store, how many more kilograms of potatoes will you buy from Store B?