We found 37 resources with the concept decomposing numbers
Dividing a Sum by a NumberLesson Planet
9 mins 5th - 7th CCSS: Adaptable
New ReviewDivide 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...
Making 22 Seventeenths in Different WaysLesson Planet
4th CCSS: Designed
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...
Three Composing/Decomposing ProblemsLesson Planet
2nd CCSS: Designed
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...
Simplifying Fractions ActivityLesson Planet
6th CCSS: Designed
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...
Lessons for Learning—KindergartenLesson Planet
K CCSS: Designed
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.
A Bobbie Bear's ButtonsLesson Planet
Pre-K - 1st CCSS: Designed
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
Practicing a Strategy for SubtractionLesson Planet
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....