NC.6.NS.4 Review

Which of the following is true of the numbers 4 and 10?

• The greatest common factor is 2.

• The least common multiple is 4.

• The greatest common factor is 20.

• The least common multiple is 40.

What is the least common multiple of 6 and 12?

• 6

• 12

• 18

• 72

At the first baseball game of the season, every 6th person entering the ballpark received a coupon for a free hot dog. Every 10th person received a coupon for a free soft drink. What is the number of the first person to enter the ballpark that received a coupon for a free hot dog and a coupon for a free soft drink?

• 10th

• 16th

• 30th

• 60th

At the grand opening of a new store, every 9th customer will receive a balloon and every 12th customer will receive a $10 gift certificate. Which customer will be the first to get both a balloon and gift certificate?

• 24^th customer

• 36^th customer

• 54^th customer

• 72^nd customer

Which expression shows another way to write

 $36+16$  

•  $4\left(9\right)+4$  

•  $4\left(9+4\right)$  

•  $6\left(6+8\right)$  

•  $\left(6+4\right)\left(6+4\right)$  

Tags

CCSS.6.NS.B.4

Claude is counting by 9s beginning at zero. Tyler is counting by 12s beginning at zero. What is the smallest same number that they both will say as they count?

• 3

• 18

• 36

• 72

Which expression is equivalent to $20+64$   

•  $4+\left(16+60\right)$  

•  $4+\left(5+16\right)$  

•  $4\left(16+60\right)$  

•  $4\left(5+16\right)$  

Tags

CCSS.7.NS.A.1D

What is the least common multiple of 10 and 12?

• 60

• 100

• 120

• 200

A teacher has to make groups from her class of 24 boys and 18 girls.

· Each group will have boys and girls.

· Each group will have the same number of girls.

· Each group will have the same number of boys.

· All students will be in a group.

What is the greatest number of groups the teacher can make?

• 3

• 4

• 6

• 9

What is the greatest common factor of 54 and 90?

• 9

• 18

• 30

• 45