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CCSS 8.NS.A.2 Worksheets

Grade 8 · The Number System

Use rational approximations of irrational numbers to compare their size, place them approximately on a number line, and estimate the value of expressions involving them.

Below are free printable worksheets that support 8.NS.A.2. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Use rational approximations of irrational numbers to compare their size, place them approximately on a number line, and estimate the value of expressions involving them.

Worked example
Simplify: 636^{3} x 646^{4} (write as 6^?)
Answer: 676^{7}
Why: 63+46^{3+4} = 676^{7}

Generated and checked in code, so it is correct.

Number worksheets

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More Grade 8 standards: 8.NS.A.1 · 8.EE.A.1 · 8.EE.A.2 · 8.EE.B.5 · 8.EE.C.7 · 8.EE.C.8 · 8.F.A.1 · 8.F.B.4
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