This worksheet has 10 problems on adding, subtracting, multiplying, and dividing multi-digit decimals, aligned to Common Core 6.NS.B.3. Problems 1 to 7 practice each operation, moving from easier to harder numbers.
Problems 8 to 10 are money and measurement word problems with several steps. Show how you placed the decimal point.
Problem 1: Add decimals
Find \(4.75 + 12.6\).
Problem 2: Subtract decimals
Find \(20.3 – 7.84\).
Problem 3: Add three numbers
Find \(3.5 + 0.275 + 12\).
Problem 4: Multiply by a whole number
Find \(8.3 \times 4\).
Problem 5: Multiply two decimals
Find \(4.8 \times 3.25\).
Problem 6: Divide by a whole number
Find \(46.8 : 12\).
Problem 7: Divide by a decimal
Find \(7.92 : 0.36\).
Problem 8: School store purchase
Maya buys 3 notebooks at \$2.35 each and one backpack for \$18.99. She pays with a \$30 bill. Calculate the total cost and the change she receives.
Problem 9: Ribbon pieces
A craft store has a ribbon that is 14.4 feet long. Calculate how many pieces, each 0.45 foot long, can be cut from it.
Problem 10: Weekly training miles
Diego runs 3.75 miles each weekday (5 days) and 6.4 miles on Saturday. He does not run on Sunday. Find his total distance for one week. Then determine whether he runs at least 100 miles in 4 weeks at that pace.
See every chapter on the Grade 6 math page.