PencilGo

Grade 7 · Math

7th grade Add and subtract fractions and decimals, including negatives worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

Level: Building Confidence · On Level · Challenge Me

When it’s done, scan the sheet with your phone and PencilGo marks it and picks the next one. Create a free account

Version
Print

Add and subtract fractions and decimals, including negatives

Grade 7 Math Worksheet - Building Confidence

NameDate

Circle the best answer, or write your answer on the line.

  1. Bo's frog starts at 3.2 on a number line, looking very determined. Adding (-4.7) is a move of 4.7 left. Where does the frog land?

  2. Esme's toy turtle starts at -5/8 on a number line. Adding 7/8 is a move of 7/8 right. Where does the turtle stop?

  3. Jun's toy boat floats at -3/4 on a number line river. Adding 1/4 is a move of 1/4 right. Where does the boat stop?

  4. Kira draws a puzzle card from the math club jar. What is (-2.4) + 1.5?

  5. Milo finds a puzzle at the back of the math book. What is 0.7 + (-4.2)?

  6. Pia draws a subtraction card from the jar. What is (-3.2) - 1.7?

  7. Ren writes a subtraction on the whiteboard. What is (-5.3) - (-1.9)?

  8. Zee writes a fraction puzzle on the whiteboard. What is (-3/8) + 5/8?

  9. Bo finds a fraction puzzle in the math book. What is 1/6 + (-5/6)?

  10. Jun rings a bell for a fraction subtraction. What is (-5/6) - (-1/6)?

PencilGopencilgo.com

7th grade Add and subtract fractions and decimals, including negatives worksheet – printable
Print: 123456

About this worksheet

Add and subtract fractions and decimals, including negatives. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

  • I can add and subtract fractions and decimals that can be negative, by moving along a number line.
  • I can group numbers to make a sum easier: cancel opposites, or add the positives and the negatives separately.
  • I can find the distance between two fractions or decimals, and a missing number in a + ? = c.

Standard: 7.NS.A.1d (also 7.NS.A.1b–c)

Words to know

rational number: Any number that can be written as a fraction, like 3/4, -2, or 1.25.

opposite: The number the same distance from 0 on the other side, like 3/4 and -3/4.

common denominator: A bottom number both fractions can share, so the pieces are the same size.

place value: What a digit is worth: tenths, hundredths, thousandths.

distance: How far apart two numbers are on the number line. Never negative.

sum: The answer to adding.

Common mistakes

Your child added the sizes and left out the minus signs.

Your child got the right size but the wrong sign.

Your child moved the wrong way for the second number.

What to say

Ask: on a number line, which way does a negative number move you?

Ask: after the last move on the number line, are you left or right of 0?

Ask: when you add a negative number, do you move left or right?

Questions parents ask

What is the most common mistake with add and subtract fractions and decimals, including negatives?

Your child added the sizes and left out the minus signs.

How can I help my child with add and subtract fractions and decimals, including negatives?

Ask: on a number line, which way does a negative number move you?

Are these 7th grade math worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

More grade 7 math

See all grade 7 math

Every sheet you scan goes into your child’s record: dated, marked and ready for the year-end portfolio. Homeschool records

Ready for easier practice?

Print a sheet, scan it when it’s done, and PencilGo picks the next one.

Create a free account