CCSS

These are the resources that support this Common Core Standard.

CCSS.MATH.CONTENT.1.NBT.C.4 - Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Displaying 1 - 50 of 314 resources:

Thumbnail Image Title Description Curriculum Nodes
Math Clip Art

Math Clip Art Collection: Using Place Value to Add Numbers to 10

This collection aggregates all the math clip art around the topic of Using Place Value to Add Numbers to 10. There are a total of 14 images. Addition Facts to 10 and Place Value
Math Clip Art

Math Clip Art Collection: Using Place Value to Add Numbers to 20

This collection aggregates all the math clip art around the topic of Using Place Value to Add Numbers to 20. There are a total of 23 images. Addition Facts to 10, Addition Facts to 25 and Place Value
Place Value Collection

Math Definitions Collection: Place Value

This collection aggregates all the definition image cards around the topic of Place Value vocabulary. There are a total of 48 terms. Place Value and Rounding
Math Examples

Math Examples Collection: Adding Two One-Digit Numbers (No Regrouping)

This collection aggregates all the math examples around the topic of Adding Two One-Digit Numbers (No Regrouping). There are a total of 33 images. Addition Facts to 10
Math Examples

Math Examples Collection: Arithmetic: Addition and Subtraction

This collection aggregates all the math examples around the topic of Arithmetic: Addition and Subtraction. There are a total of 166 images. This collection of resources is made up of downloadable PNG files that you can easily incorporate into a presentation. Addition Facts to 25, Subtraction Facts to 25, Addition Expressions and Equations, Numerical Expressions, Add Multiple-Digit Numbers, Counting, Addition Facts to 10 and Subtraction Facts to 10
Math Examples

Math Examples Collection: Two-Digit Sums (No Regrouping)

This collection aggregates all the math examples around the topic of Two-Digit Sums (No Regrouping). There are a total of 37 images. Addition Facts to 25
Math Examples

Math Examples Collection: Two-Digit Sums (With Regrouping)

This collection aggregates all the math examples around the topic of Two-Digit Sums (With Regrouping). There are a total of 34 images. Addition Facts to 25
Math Games

Math Game Collection: Place Value

This is a collection of games that focus on place value topics.  Place Value and Counting
Math Games

Math Games Collection: Jeopardy

Overview
This is a collection of all our Jeopardy math games. There are a total of 7 games.
Addition Facts to 25, Addition Facts to 100, Subtraction Facts to 100, Add and Subtract Fractions, Graphs of Linear Functions, Slope-Intercept Form, Graphs of Quadratic Functions and Numerical and Algebraic Expressions
Math Worksheets

Math Worksheet Collection: Adding Two-Digit Numbers

This collection aggregates all the math worksheets around the topic of Adding Two-Digit Numbers. There are a total of 65 worksheets. Add 2-Digit Numbers
Math Worksheets

Math Worksheet Collection: Sums to 20

This collection aggregates all the math worksheets around the topic of Sums to 20. There are a total of 40 worksheets. Addition Facts to 25
Collections in a Box

Collections in a Box: Place Value

This cheat sheet gathers together a number of resources on the topic of place value. See the descriptions and links below. Each link takes you to a collection of resources around that topic.

Add and Subtract Decimals, Compare and Order Decimals, Multiply Decimals and Place Value
Definition--Place Value Concepts--Adding Using Place Value

Definition--Place Value Concepts--Adding Using Place Value

Adding Using Place Value

Place Value
Definition--Place Value Concepts--Base Ten Blocks

Definition--Place Value Concepts--Base Ten Blocks

Base Ten Blocks

Place Value
Definition--Place Value Concepts--Base Ten Number System

Definition--Place Value Concepts--Base Ten Number System

Base Ten Number System

Place Value
Definition--Place Value Concepts--Billions Place

Definition--Place Value Concepts--Billions Place

Billions Place

Place Value
Definition--Place Value Concepts--Comparing Numbers Using Place Value

Definition--Place Value Concepts--Comparing Numbers Using Place Value

Comparing Numbers Using Place Value

Place Value
Definition--Place Value Concepts--Decimal Number

Definition--Place Value Concepts--Decimal Number

Decimal Number

Place Value
Definition--Place Value Concepts--Decimal Point

Definition--Place Value Concepts--Decimal Point

Decimal Point

Place Value
Definition--Place Value Concepts--Decimal Square

Definition--Place Value Concepts--Decimal Square

Decimal Square

Place Value
Definition--Place Value Concepts--Digit

Definition--Place Value Concepts--Digit

Digit

Place Value
Definition--Place Value Concepts--Dividing Using Place Value

Definition--Place Value Concepts--Dividing Using Place Value

Dividing Using Place Value

Place Value
Definition--Place Value Concepts--Expanded Form

Definition--Place Value Concepts--Expanded Form

Expanded Form

Place Value
Definition--Place Value Concepts--Expanded Notation

Definition--Place Value Concepts--Expanded Notation

Expanded Notation

Place Value
Definition--Place Value Concepts--Expanded Notation with Powers of 10

Definition--Place Value Concepts--Expanded Notation with Powers of 10

Expanded Notation with Powers of 10

Place Value
Definition--Place Value Concepts--Hundred Millions Place

Definition--Place Value Concepts--Hundred Millions Place

Hundred Millions Place

Place Value
Definition--Place Value Concepts--Hundred Thousands Place

Definition--Place Value Concepts--Hundred Thousands Place

Hundred Thousands Place

Place Value
Definition--Place Value Concepts--Hundred Thousandths Place

Definition--Place Value Concepts--Hundred Thousandths Place

Hundred Thousandths Place

Place Value
Definition--Place Value Concepts--Hundreds Block

Definition--Place Value Concepts--Hundreds Block

Hundreds Block

Place Value
Definition--Place Value Concepts--Hundreds Place

Definition--Place Value Concepts--Hundreds Place

Hundreds Place

Place Value
Definition--Place Value Concepts--Hundredths Place

Definition--Place Value Concepts--Hundredths Place

Hundredths Place

Place Value
Definition--Place Value Concepts--Millions Place

Definition--Place Value Concepts--Millions Place

Millions Place

Place Value
Definition--Place Value Concepts--Multiplying Using Place Value

Definition--Place Value Concepts--Multiplying Using Place Value

Multiplying Using Place Value

Place Value
Definition--Place Value Concepts--Ones Block

Definition--Place Value Concepts--Ones Block

Ones Block

Place Value
Definition--Place Value Concepts--Ones Place

Definition--Place Value Concepts--Ones Place

Ones Place

Place Value
Definition--Place Value Concepts--Period

Definition--Place Value Concepts--Period

Period

Place Value
Definition--Place Value Concepts--Place Value

Definition--Place Value Concepts--Place Value

Place Value

Place Value
Definition--Place Value Concepts--Place Value Chart

Definition--Place Value Concepts--Place Value Chart

Place Value Chart

Place Value
Definition--Place Value Concepts--Power of Ten

Definition--Place Value Concepts--Power of Ten

Power of Ten

Place Value
Rounding Based on place value, estimating the value of a number.

Definition--Place Value Concepts--Rounding

Rounding

Place Value
Rounding to the Nearest Hundred Based on the digit in the tens place, round up or down in the hundreds place.

Definition--Place Value Concepts--Rounding to the Nearest Hundred

Rounding to the Nearest Hundred

Place Value and Rounding
Definition--Place Value Concepts--Rounding to the Nearest Hundredth

Definition--Place Value Concepts--Rounding to the Nearest Hundredth

Rounding to the Nearest Hundredth

Place Value and Rounding
Definition--Place Value Concepts--Rounding to the Nearest Ten

Definition--Place Value Concepts--Rounding to the Nearest Ten

Rounding to the Nearest Ten

Place Value and Rounding
Definition--Place Value Concepts--Rounding to the Nearest Tenth

Definition--Place Value Concepts--Rounding to the Nearest Tenth

Rounding to the Nearest Tenth

Place Value and Rounding
Definition--Place Value Concepts--Rounding to the Nearest Whole Number

Definition--Place Value Concepts--Rounding to the Nearest Whole Number

Rounding to the Nearest Whole Number

Place Value and Rounding
Definition--Place Value Concepts--Scientific Notation

Definition--Place Value Concepts--Scientific Notation

Scientific Notation

Place Value
Definition--Place Value Concepts--Standard Form

Definition--Place Value Concepts--Standard Form

Standard Form

Place Value
Definition--Place Value Concepts--Subtracting Using Place Value

Definition--Place Value Concepts--Subtracting Using Place Value

Subtracting Using Place Value

Place Value
Definition--Place Value Concepts--Ten Millions Place

Definition--Place Value Concepts--Ten Millions Place

Ten Millions Place

Place Value
Definition--Place Value Concepts--Ten Thousands Place

Definition--Place Value Concepts--Ten Thousands Place

Ten Thousands Place

Place Value