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Lesson 2: Adding and Subtracting Decimals — Practice Questions

  1. 1. How many long rectangles are needed to represent the decimal $3.81$ using a visual model? ___

  2. 2. A model uses 4 large squares, 0 long rectangles, and 7 small squares. What decimal does this model represent? ___

  3. 3. To represent the decimal $0.96$ with a visual model, how many small squares would you use? ___

  4. 4. What decimal is represented by a model with 1 large square, 8 long rectangles, and 0 small squares? ___

  5. 5. To model the decimal $5.02$, how many of each block are needed?

    • A. 5 large squares, 2 long rectangles
    • B. 5 large squares, 2 small squares
    • C. 2 large squares, 5 small squares
    • D. 5 long rectangles, 2 small squares
  6. 6. The value of 18 tenths written as a decimal is ___.

  7. 7. Which of the following is equivalent to 32 hundredths?

    • A. 3 ones and 2 tenths
    • B. 3 tenths and 2 hundredths
    • C. 3 hundredths and 2 thousandths
    • D. 3 ones and 2 hundredths
  8. 8. The value of 47 hundredths written as a decimal is ___.

  9. 9. How many hundredths are needed to make 1 tenth?

    • A. 1
    • B. 10
    • C. 100
    • D. 1000
  10. 10. If you have 53 thousandths, what is this value as a decimal? The answer is ___.