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CCSS Math
8.NS - Number Sense or The Number System
by Tim Fahlberg
# CCSS Math
8.NS - Number Sense or The Number System

## IXL Practice - All 8th Grade CCSS

## How to navigate this
map

## 8.NS.2: Use rational approximations of irrational
numbers to compare the size of irrational
numbers, locate them approximately on a number
line diagram, and estimate the value of
expressions (e.g., π^2).

### F.15: Exponents and roots:
Estimate positive and negative
square roots

### F.19: Exponents and roots:
Estimate cube roots

### CCSS Math 8.NS.2 (T,S)

## 8.NS.1: Know that numbers that are not rational are called irrational.
Understand informally that every number has a decimal expansion; for
rational numbers show that the decimal expansion repeats eventually, and
convert a decimal expansion which repeats eventually into a rational
number.

### D.1 Rational numbers: Identify
rational and irrational numbers

### D.6: Rational numbers: Convert
between decimals and fractions or
mixed numbers

### CCSS Math 8.NS.1 (T,S)

## 8.NS - Number Sense or The Number System
Know that there are numbers that are not
rational, and approximate them by rational
numbers

## Up to parent Mind Map

## Created by Tim Fahlberg
Please send suggestions & comments to him
at tim.fahlberg@gmail.com -- Thanks!

## QR Code and link to this Mind
Map

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A PDF of this mind map is attached. And then the QR code at the top will be scannable from the printed copy.

Practice on IXL (S)

Practice on IXL (S)

Internet Resources (Videos, Websites, etc.) For students and teachers

MasteryConnect 8.NS.2 (T), ExamView Dynamic Questions (T), Clicker questions (T)

Practice (S), Tutorial video (Khan Academy): Rational and Irrational Numbers (S)

Practice (S)

Internet Resources (Videos, Websites, etc.) For students and teachers

MasteryConnect 8.NS.1 (T), ExamView Dynamic Questions (T), Clicker questions (T)

Up to 8th grade CCSS

QR Codes In Education - LiveveBinderiOS - QRafter (free or paid) is highly recommended or NeoReader, etc.Android - QR