In yesterday's post we looked at multiplication, division, and two-step problems. Today we are still within Reporting Category 2, Computations and Algebraic Relationships, learning how to represent addition and subtraction and the relationship between multiplication and division facts.
Representing Addition and Subtraction
In the third grade, students are asked to not only add addition and subtraction problems but also to represent them with equations and pictorial models, including strip diagrams. Watch the video below for more information.
With that information fresh in your mind, try these problems from a released STAAR test.
Here's another problem testing the same standard.
Multiplication and Division Facts
As students begin to learn and memorize their multiplication facts, they should also relate them division facts at the same time. Here's a short video explaining this math standard.
Now that you've watched the video above, you're ready to tackle the following problem.
Correct Answers Here's the video with the answers and explanations. Make sure you've worked them out yourself before watching!