Grade 9 · Math · Algebra 1

9th grade Evaluate expressions with fractions, decimals, absolute value and roots worksheet

6 printable versionsOn Level10 questions · answer keyFree · no account

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Evaluate expressions with fractions, decimals, absolute value and roots

Grade 9 Math Worksheet

NameDate

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

Kira's rule card is 3|x − 4| + 2. What is its value when x = −1?
Luz's rule card is 5 − 2|x + 3|. What is its value when x = −7?
Noah's rule card is 4|x + 1/2| − 1. What is its value when x = −5/2?
Pia's card (a very square card) shows √(x + 16). What is its value when x = 9?
Ren's card shows √(x² + 144). What is its value when x = 5?
Tala's card shows ∛(x − 8) + 1. What is its value when x = 35?
Zee's card shows ∛(x + 19). What is its value when x = 8?
Ari's fraction (the tall kind) has 3x + 2 on the top and x − 1 on the bottom. What is its value when x = 5?
Bo's fraction (wearing a bow tie) has 2x − 1 on the top and x + 3 on the bottom. What is its value when x = 3?
Esme's fraction has 4x + 1 on the top and 2x − 3 on the bottom. What is its value when x = 2.5?

9th grade Evaluate expressions with fractions, decimals, absolute value and roots worksheet – printable — Print: 1 2 3 4 5 6

About this worksheet

Evaluate expressions with fractions, decimals, absolute value and roots. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

I can put a fraction, a decimal or a negative number into an expression and find its value.
I can work out the whole top and the whole bottom of a fraction bar before I divide.
I can evaluate |x − 6|, a square root, a cube root, and a big fraction with fractions inside.

Standard: state-only (supports A-SSE.A.1; no CCSS standard asks for evaluating as such)

Words to know

substitute: Put a number in the place of a letter.

fraction bar: Works like brackets: do the whole top and the whole bottom first.

square root √: The number that times itself makes the number inside.

cube root ∛: The number used three times in a product that makes the number inside.

Common mistakes

Your child multiplied both the top and the bottom of a fraction by a whole number.

Your child added a whole number to the top of a fraction only.

Your child divided only the last piece on top of a fraction.

What to say

Ask: what is 3 groups of 2/3?

Ask: is 4 and a half the same as 5 halves?

Ask: which numbers does the fraction bar divide?

Questions parents ask

What is the most common mistake with evaluate expressions with fractions, decimals, absolute value and roots?

Your child multiplied both the top and the bottom of a fraction by a whole number.

How can I help my child with evaluate expressions with fractions, decimals, absolute value and roots?

Ask: what is 3 groups of 2/3?

Are these 9th 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 algebra 1

See all Algebra 1

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