Math Grade 6-8

Decimal Operations: Addition, Subtraction, Multiplication

Practice adding, subtracting, and multiplying decimals

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Practice adding, subtracting, and multiplying decimals

Math - Grade 6-8

Instructions: Read each problem carefully. Line up decimal points when adding or subtracting. Show your work in the space provided.
  1. 1

    Find the sum: 14.68 + 7.5.

  2. 2

    Find the difference: 36.4 - 18.75.

  3. 3

    Multiply: 4.6 x 3.2.

  4. 4

    A notebook costs $2.85 and a pen costs $1.40. What is the total cost of one notebook and one pen?

  5. 5
    A ribbon shown in two pieces, with scissors nearby to show part was used.

    Maya had 12.5 meters of ribbon. She used 4.85 meters for a project. How many meters of ribbon does she have left?

  6. 6
    Four identical bags filled with apples arranged in a row.

    A bag of apples weighs 2.75 pounds. If you buy 4 bags, what is the total weight?

  7. 7

    Find the value of 9.08 + 0.674.

  8. 8

    Find the value of 20 - 6.738.

  9. 9

    Multiply: 0.36 x 0.8.

  10. 10
    A runner on a path divided into three colored segments.

    A runner completed 3.25 miles on Monday, 4.1 miles on Wednesday, and 2.875 miles on Friday. How many miles did the runner complete in all?

  11. 11
    A rectangular garden with arrows showing its length and width.

    A rectangular garden is 5.6 meters long and 3.75 meters wide. What is the area of the garden?

  12. 12

    A store sells a water bottle for $8.95. During a sale, the price is reduced by $2.37. What is the sale price?

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