![K 5 Math Teaching Resources: Equal Sums [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Equal Sums [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Equal Sums [Pdf]
Students draw two cards and determine if the number sentences on them have equal sums.
Illustrative Mathematics
Illustrative Mathematics: 1.oa Using Lengths to Represent Equality
In this lesson plan, 1st graders determine if lengths are equal to one another.
Illustrative Mathematics
Illustrative Mathematics: 1.oa Valid Equalities?
This lesson plans allows students to explore the meaning of the equal sign in addition and subtraction problems.
Khan Academy
Khan Academy: Equal Sign
Practice telling which equation is true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: Find the Missing Number
Learners will solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Find the Missing Number [Pdf]
Students complete an activity to explore adding and subtracting by finding the missing number.
ClassFlow
Class Flow: Missing Addends
[Free Registration/Login Required] In this flipchart students will either count up and/or use a hundreds chart to determine a missing addend.
Mr. Martini's Classroom
Mr. Martini's Classroom: Equivalent Addition Problems: Fill in the Blank
Students choose the correct number to balance the addition equation and create an equivalent sum.