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In this math activity, students practice 4 digit subtraction with regrouping by solving 5 subtraction squares puzzles. Students subtract down and across, then subtract the totals calculated. There are directions on the page.
3 Views 2 Downloads
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as they...
5th - 8th Math CCSS: Adaptable
Solving Word Problems Involving Subtraction of Similar Fractions without Regrouping
Fourth and fifth graders solve word problems that entail subtraction of similar fractions that have like denominators. They complete magic boxes as a review before participating in a guided lesson on solving similar fraction subtraction...
4th - 5th Math CCSS: Adaptable
Frame Yourself: Area and Perimeter
Elementary schoolers are arranged in pairs and view the video Math Works: Measurement: The Difference Between Perimeter and Area. They discuss any prior knowledge they have of the term perimeter and then brainstorm together what the...
2nd - 4th Math CCSS: Adaptable
Cover the Area of a Shape Using Square Units
This is the first of a series of four lessons designed to examine and understand the concept of area. A review of area starts the lesson, along with a discussion of different attributes that can describe a rectangle. The term square unit...
3 mins 2nd - 4th Math CCSS: Designed