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IM: 6.5.5: Decimal Points in Products (Practice)

By Newsela Staff
Last updated 2 months ago
12 Questions
1.
Find the product of each number and 1/100.
122.1 _______
11.8 _______
1350.1 _______
1.704 _______
2.

What happens to the decimal point of the original number when you multiply it by 1/100? Why do you think that is? Explain your reasoning.

3.

Which expression has the same value as (0.06) \cdot (0.154)? Select all that apply.

Calculate the value of each expression by writing the decimal factors as fractions, then writing their product as a decimal. Show your reasoning.
4.

(0.01) \cdot (0.02)

5.

(0.3) \cdot (0.2)

6.

(1.2) \cdot 5

7.

(0.9) \cdot (1.1)

8.

(1.5) \cdot 2

9.

Write three numerical expressions that are equivalent to (0.0004) \cdot (0.005).

10.
Calculate each sum.
  1. 33.1+1.95 _______
  2. 1.075+27.105 _______
  3. 0.401+09.28 _______
11.
Calculate each difference. Show your reasoning.
  1. 13.2-1.78 _______
  2. 23.11-0.376 _______
  3. 0.9-0.245 _______
12.

On the grid, draw a quadrilateral that is not a rectangle that has an area of 18 square units. Show how you know the area is 18 square units.