MAFS.2.NBT.2.8: Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

There are 18 resources.
Title Description Thumbnail Image Curriculum Topics

Math Game Collection: Place Value

Overview

Place Value and Counting

Math Games Collection: Drag-N-Drop

Overview

Addition Facts to 25, Counting, Subtraction Facts to 25, Place Value, Polynomial Expressions, Division Expressions and Equations, Point-Slope Form, Slope-Intercept Form, Standard Form, Slope, Applications of Linear Functions, Quadratic Equations and Functions, Data Analysis, Multiplication Expressions and Equations, Solving One-Step Equations, Quadratic Formula, Numerical Expressions, Variable Expressions and Solving Two-Step Equations

Math Video Collection: Video Tutorials Series: Place Value

Overview This c

Place Value, Counting and Rounding

Math Worksheet Collection: Counting

Counting, Addition Facts to 100, Add 3-Digit Numbers and Subtract 3-Digit Numbers

Counting

Counting

Counting

Counting

Worksheet: Subtracting 10s and 100s, Worksheet 1

Worksheet: Subtracting 10s and 100s, Worksheet 1 This is part of a collection of math worksheets on the topic of subtracting.

Subtract 3-Digit Numbers

Worksheet: Subtracting 10s and 100s, Worksheet 2

Worksheet: Subtracting 10s and 100s, Worksheet 2 This is part of a collection of math worksheets on the topic of subtracting.

Subtract 3-Digit Numbers

Worksheet: Subtracting 10s and 100s, Worksheet 3

Worksheet: Subtracting 10s and 100s, Worksheet 3 This is part of a collection of math worksheets on the topic of subtracting.

Subtract 3-Digit Numbers

Worksheet: Subtracting 10s and 100s, Worksheet 4

Worksheet: Subtracting 10s and 100s, Worksheet 4 This is part of a collection of math worksheets on the topic of subtracting.

Subtract 3-Digit Numbers

Worksheet: Subtracting 10s and 100s, Worksheet 5

Worksheet: Subtracting 10s and 100s, Worksheet 5 This is part of a collection of math worksheets on the topic of subtracting.

Subtract 3-Digit Numbers