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Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.

Decomposing and Adding Place Values

Help your students understand place values with this lesson that catches their interest using a story book. Students will go one to play a riddle game both in a group and individually.

Place Value: Digit Game

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Discussing Subtraction Strategies

Help your students become detail-oriented mathematicians as they explore two strategies for multiplying a one-digit number by a multiple of 10. Use this as a stand alone lesson or alongside *Multiplying by Multiples of 10.*

Strategies for Multiplying by Multiples of 10

Facilitate an exploration and comparison of multiplication strategies for your students to see the variety of ways to solve the same problem. Use this lesson on its own or teach it prior to the lesson Multiplication: Musical Chairs.

Multi-Digit Multiplication Strategies

What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

Break It Down

Practice finding unknown numbers in addition equations using fun and silly word problems.

What's That Number?

Students will have a ball with this data collection lesson plan where they learn about collecting and plotting data on a chart and line plot.

Let's Play Ball

Help your students use multiplication to support their conceptual understanding of division. Use this lesson alone or as a pre-lesson for *Division: Solving for Unknown Factors*.

Number Relationships in Division

Support your students as they collect, organize, and discuss measurement data! Use this lesson independently or alongside *Making Measurements for Line Plots*. 

Collect, Organize, and Discuss the Data

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract. 



Regrouping with Popsicle Sticks: Double-Digit Subtraction

Equip your students with three great strategies to analyze place value and compare whole numbers up to the thousands place.

Let's Compare Whole Numbers

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Multiplication Bingo: Two-Digit Numbers

A line, an arrow, and a simple rule are all that separate students from rounding success. This lesson will give young mathematicians an engaging overview of place values and rounding.

Round ‘Em Up!

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.

What is My Place Value?

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up. 

Using Regrouping to Add

Animals and spots are used to make multiplication interesting! In this lesson, students will practice multiplying one digit numbers.

Animal Spots: Multiplication Practice

Students will practice mental math and harness their discussion skills through addition problems of like mixed numbers. This lesson may be used on its own or as support for the lesson Adding Mixed Numbers Using the Decomposition Strategy. 

Number Talks with Mixed Numbers Addition

Geometry is everywhere! Lines, line segments, and points are all around. In this lesson, your students will learn about important aspects of geometry.

Geometric Ideas

In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Subtraction Detectives: Missing Numbers

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow. 

Factor Friend or Foe?

With this activity, students will identify shapes, build 3-D shapes, and practice describing shapes with a partner.

Shape Models

Teach your students to use skip counting as a strategy to multiply two single-digit factors.

Skip Counting to Understand Multiplication

Your students will “hop their way” into understanding place value with this fun and active game! In this lesson, they will learn that changing the order of the digits in a number changes its value.

Place Value Hop

In this lesson, students will construct their own number lines and bar models to find equivalent fractions. 

Show Me Equivalent Fractions!

Teach your students to use an area model to solve multiplication problems with a two-digit factor.

Multiplication with Area Models

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Sums for Mixed Numbers and Improper Fractions

It's as easy as one, two, three...four! Introduce your students to subtracting decimals in the tenth and hundredth place using a four-step process.

Step By Step Decimal Subtraction

Students will explore how parentheses change the meaning of a number sentence. They will be challenged with a set of playing cards to make a certain number.

Problems with Parentheses

Teach your students to add and subtract time using number lines. Your class will be gladly moving backwards and forward to the minute solving for related word problems.

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