Refine Your Results

Content Curators

Grades

Subjects

Resource Types

Standards

38 resources with the concept decomposing numbers

Videos (Over 2 Million Educational Videos Available)
Defining Gravity Video
3:11
Defining Gravity
How Computers Work: What Makes a Computer, a Computer? Video
5:10
How Computers Work: What Makes a Computer,...
The Secret World of Animal Sleep 101 Sleepless on the Savanna Video
3:42
The Secret World of Animal Sleep 101...
Other Resource Types ( 38 )
Lesson Planet

Lessons for Learning—Kindergarten

For Teachers K Standards
Kindergartners jump right into learning. Each lesson in this math unit is clearly outlined with materials, procedures, student outcomes, misconceptions, and solutions. All lessons and activities are aligned with Common Core math standards.
Lesson Planet

Rewriting Numbers as Tens and Ones

For Students 1st - 4th
 Unpack double-digit numbers using this fantastic graphic organizer featuring eight place value problems. Learners separate each number into tens and ones, then write it out by completing a sentence frame. As they work through the...
Lesson Planet

Playing the Cards of Place Value

For Teachers 3rd - 4th
Third graders explore place value to the ten-thousands place. In this amazing, 21-page place value lesson, learners represent numbers in standard and expanded form, and use technology to represent numbers to 9,999.
Lesson Planet

Place Value & Picasso

For Teachers 3rd - 5th Standards
Place value to the millions is the focus of this math lesson. Third and fourth graders investigate multiple ways to represent a number. They examine place value while studying factual information about Pablo Picasso. Resources are provided.
Lesson Planet

Hungry Puppies

For Students 5th - 6th Standards
It all comes down to the treats. Individuals compete to find decimals' addends to arrive at a given sum. Pupils click on two dog treats with values that add to the target number. Each round contains the same sum and lasts a minute, and...
8:35
Lesson Planet

Dividing a Sum by a Number

For Students 5th - 7th Standards
Divide with sums. A video provides an explanation on whether it is possible to divide a sum by a number and a number by a sum by using the distributive property. Scholars see which procedure holds up under the rules of arithmetic and...
Lesson Planet

Making 22 Seventeenths in Different Ways

For Students 4th Standards
There is more than one way to determine a sum. Scholars demonstrate their understanding of the decomposition of fractions similar to the decomposition of whole numbers. The short task requires pupils to determine which sums of fractions...
Lesson Planet

Hitting the Target Number

For Students 2nd Standards
Make combinations to reach the target. Learners play a game to add and subtract numbers between 0 and 10 to reach a target number between 10 through 20. Teachers use the game to help pupils learn efficient ways to add and subtract within...
Lesson Planet

Three Composing/Decomposing Problems

For Students 2nd Standards
Practice composing and decomposing numbers in base-ten using three word problems. Each problem presents a different scenario requiring learners to explain their thinking, find the number of ones, and find out different ways to make a...
Lesson Planet

Boys and Girls, Variation 2

For Students 1st Standards
How many ways can you make the number 9? Use a task that has pupils thinking about the many different ways a classroom of nine can be made up of boys and girls.
Lesson Planet

Making 124

For Students 2nd Standards
How many ways can you make the number 124 using only tens and ones? Use a task that prompts young mathematicians to make 124 in as many ways as possible.
Lesson Planet

Simplifying Fractions Activity

For Teachers 6th Standards
Warm-up pupils' fraction muscles with a four-question quiz, then delve into a learning game designed to reinforce the concept of simplifying fractions. Based on the "I do, We do, You do" method of teaching, the lesson directly exhibits...
Lesson Planet

Apple Farm Field Trip

For Students 1st - 3rd Standards
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Lesson Planet

Christina's Candies

For Teachers Pre-K - 1st Standards
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
Lesson Planet

Pick Two

For Teachers Pre-K - 1st Standards
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Lesson Planet

What’s Missing?

For Teachers Pre-K - 1st Standards
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
Lesson Planet

Shake and Spill

For Teachers Pre-K - 1st Standards
Entertaining as well as educational, this math activity about decomposing numbers is bound to capture the engagement of young learners. Given a cup and five two-color counters, young mathematicians simply shake and spill the cup,...
Lesson Planet

Grade 2: Mathematical Modeling

For Teachers 2nd
The handy teacher notes attached to each slide make this an easy-to-use math resource. Second graders roll a die and practice doubling the numbers. They then discuss the idea of doubles plus one and deconstructing numbers to build solid...
Lesson Planet

Math Circus: Tens and Ones

For Students 1st - 3rd
Join the math circus! This themed place value activity begins with visual examples for learners to understand number composition with regard to tens and ones. They try a few on their own using the visual clues then complete 14 on their...
Lesson Planet

Practicing a Strategy for Subtraction

For Students 1st - 3rd
Make sure your math class actually understands what they are doing when it comes to subtraction. This fantastic worksheet actually scaffolds their processing by diagramming each step, including a check using addition with partitioning....
Lesson Planet

Ones and Tens Place Fill Ins Worksheets

For Students 1st - 3rd
There are five numbers here, each of which needs to be decomposed into place values. Young mathematicians complete missing information in a chart which splits numbers into tens and ones. They must fill in the numerals or the tallies...
Lesson Planet

Partitioning Numbers

For Teachers 2nd - 3rd
Partitioning or decomposing double and triple-digit numbers is a wonderful way to build number sense and a basic understanding of place value. Here are 12 different numbers, partitioned into their base units and tens or hundreds...
Lesson Planet

Tens and Ones Guided Lesson

For Students 2nd - 4th
Understanding place value will open up a world of math comprehension for your learners. There are three parts to this worksheet, all with the objective of revealing the decomposition of numbers into tens and ones. First, scholars examine...
Lesson Planet

Problem Solving

For Teachers 6th - 7th
Give kids a few strategies to help them become amazing problem solvers. This presentation is intended to be used over a two-day period and presents several techniques or ways to solve word problems or multiplication problems by...