7th grade 2021 start-of-year review

Check all the correct answers.

Which of the following numbers have 2 as a factor?

• 8

• 10

• 15

• 24

What is the LCM for 3 and 9?

• 3
• 9
• 27
• 18

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

• 5/14
• 3/7
• 5/7
• 5/14

 $\frac{2}{3}\ -\ \frac{1}{3}$  

•  $\frac{1}{3}$  

•  $\frac{3}{3}$  

•  $\frac{2}{6}$  

•  $\frac{2}{4}$  

Find the product of $\frac{8}{16}\cdot\frac{2}{10}$  in simplified form. 

•  $\frac{1}{10}$  

•  $\frac{16}{160}$  

•  $\frac{10}{26}$  

•  $\frac{8}{80}$  

Which of the following four numbers is a multiple of 12?

• 5

• 6

• 18

• 24

Calculate

0.6 + 0.5 =

• 0.11

• 1.01

• 1.1

• 1.11

Calculate

2.5 - 0.15 =

• 1

• 0.1

• 2.35

• 2.65