Eureka Math m1L10-11 Multiplying Decimals

Use the area model in the image to complete the following equation.

7 x 3.12 = ​ (a)   + ​ (b)   + 0.14 = ​ ​ (c)  

• 21
• 0.7
• 10
• 21.84
• 0.07
• 0.8
• 21.16

Use the area model in the image to complete the following equation.

6 x 4.25 = ​ ​ (a)   + ​ ​ (b)   + ​ ​ (c)   = ​ (d)  

• 24
• 1.2
• 0.30
• 25.5
• 0.12
• 0.030
• 24.33

Mrs. Gilbert wants to buy 8 rulers and some erasers for her classroom. She has $30. If rulers

cost $2.65 each, how much money will Mrs. Gilbert have left to buy erasers?

Mathematical Equivalence

ON

Patty buys 7 juice boxes a month for lunch. If one juice box costs $2.79, how much money does

Patty spend on juice each month?

Mathematical Equivalence

ON

Using estimation, choose the most reasonable product for the following expression.

2.5 x 4

• 0.1

• 1

• 10

• 100

Using estimation, choose the most reasonable product for the following expression.

8 x 6.022

• 4.8176

• 48.176

• 481.76

• 4817.6

The poetry club had its first bake sale, and they made $79.35. The club members are planning to have

4 more bake sales. Leslie said, “If we make the same amount at each bake sale, we’ll earn $3,967.50.”

Peggy said, “No way, Leslie! We’ll earn $396.75 after five bake sales.” Which girl is correct? Use compatible (friendly) numbers and estimation to explain your reasoning.

Tags

CCSS.5.NBT.B.7

Louis buys 4 chocolates. Each chocolate costs $2.35. Louis multiplies 4 × 235 and gets 940. Place

the decimal to show the cost of the chocolates. Give your answer in standard form and explain your reasoning.

What is the standard form of the following number?

Fifteen and thirty-six thousandths

• 15.036

• 15.36

• 15.306

• 36,015

What is the standard form of the following number?

5 tenths, 7 tens, 12 thousandths

Mathematical Equivalence

ON