Unit 5: Decimal Arithmetic

Select all the numbers that are common multiples of 4 and 6. (two correct answers)

• 2

• 10

• 12

• 24

• 40

What is the least common multiple of 4 and 6?

• 2

• 10

• 12

• 24

Which expression has the same value as 8.92 ÷ 0.8?

• 892 ÷ 80

• 892 ÷ 8

• 892 ÷ 800

Calculate the value of the expression:

7. 5 − 0. 43

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

• 32.1

• 3.21

• 321

• 3210

The table shows how far Terrance biked this week. How many miles did he bike in total?

Mathematical Equivalence

OFF

Which expression has the greater value.

2 · 0. 003

0. 2 · 0. 03

​ ​ ​ ​ ​ (a)  

• They have the same value.
• 0. 2 · 0. 03
• 2 · 0. 003

Here is the work Abdullah: the greatest common factor of 4 and 12 is 2. Determine if he is correct otherwise put the right answer.​ ​ (a)  

• 4
• 2
• correct
• 3
• 6

A shop charges $1.95 for a small 3-ounce soft serve. What is the cost per ounce of soft serve?

• 1.05

• 4.95

• 5.85

• 0.65