## CCSS.MATH.CONTENT.2.NBT.B.7: Add and subtract within 1000, 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. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

There are 19 resources.
Title Description Thumbnail Image Curriculum Topic

## Counting Bison

Description

In this application of arithmetic concepts, students analyze the changing population of bison in the Americas. Using real-world data and applying key math concepts, students will do some sophisticated analysis using basic skills.

These are the key math concepts covered:

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 1

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 1

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 2

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 2

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 3

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 3

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 4

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 4

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 5

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 5

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 6

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 6

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 7

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 7

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 8

Math Example--Arithmetic--Adding with Tens and Hundreds Blocks: Example 8

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

## Worksheet: Subtract within 1000, Worksheet 1

Worksheet: Subtract within 1000, Worksheet 1

This is part of a collection of math worksheets on the topic of subtracting within 1000.

Subtract 3-Digit Numbers

## Worksheet: Subtract within 1000, Worksheet 2

Worksheet: Subtract within 1000, Worksheet 2

This is part of a collection of math worksheets on the topic of subtracting within 1000.

Subtract 3-Digit Numbers

## Worksheet: Subtract within 1000, Worksheet 3

Worksheet: Subtract within 1000, Worksheet 3

This is part of a collection of math worksheets on the topic of subtracting within 1000.

Subtract 3-Digit Numbers

## Worksheet: Subtract within 1000, Worksheet 4

Worksheet: Subtract within 1000, Worksheet 4

This is part of a collection of math worksheets on the topic of subtracting within 1000.

Subtract 3-Digit Numbers

## Worksheet: Subtract within 1000, Worksheet 5

Worksheet: Subtract within 1000, Worksheet 5

This is part of a collection of math worksheets on the topic of subtracting within 1000.

Subtract 3-Digit Numbers

## Worksheet: Subtracting within 1000s, Set 1

Worksheet: Subtracting within 1000s, Set 1

This is part of a collection of math worksheets on the topic of subtracting.

Subtraction Facts to 100

## Worksheet: Subtracting within 1000s, Set 2

Worksheet: Subtracting within 1000s, Set 2

This is part of a collection of math worksheets on the topic of subtracting.

Subtraction Facts to 100

## Worksheet: Subtracting within 1000s, Set 3

Worksheet: Subtracting within 1000s, Set 3

This is part of a collection of math worksheets on the topic of subtracting.

Subtraction Facts to 100

## Worksheet: Subtracting within 1000s, Set 4

Worksheet: Subtracting within 1000s, Set 4

This is part of a collection of math worksheets on the topic of subtracting.

Subtraction Facts to 100

## Worksheet: Subtracting within 1000s, Set 5

Worksheet: Subtracting within 1000s, Set 5

This is part of a collection of math worksheets on the topic of subtracting.

Subtraction Facts to 100