Grade 6 | Unit 5 | Lesson 4: Adding and Subtracting Decimals with Many Non-Zero Digits | Practice Problems

For each subtraction problem, circle the correct calculation.

• 7 and 2 tenths - 3 and 67 hundredths = 3 and 5 hundredths

• 0, 7 and 2 tenths - 3 and 67 hundredths = 3 and 5 hundredths

• 7 and 20 hundredths - 3 and 67 hundredths = 3 and 53 hundredths

• 16 - 1 and 4 tenths = 2 tenths

• 16 and 0 tenths - 1 and 40 hundredths = 20 hundredths

A bag of chocolates is labeled to contain 0.384 pound of chocolates. The actual weight of the chocolates is 0.3798 pound. Are the chocolates heavier or lighter than the weight stated on the label? Explain how you know. How much heavier or lighter are the chocolates than stated on the label? Show your reasoning.

Complete the calculations so that each shows the correct sum.

For every 9 customers, the chef prepares 2 loaves of bread. Here is double number line showing varying numbers of customers and the loaves prepared. Complete the missing information. The same information is shown on a table. Complete the missing information. Use either representation to answer these questions. How many loaves are needed for 63 customers? How many customers are there if the chef prepares 20 loaves? How much of a loaf is prepared for each customer?