This Operations and Algebraic Thinking resource contains Number Bonds, Missing Addends and Balancing Equations
and Balancing Equations - Make a Circus Strong Man
This is a very thorough and comprehensive set of activities covering these common core standards: 1.OA.A1; 1.OA.A2; 1.OA.B3; 1.OA.B4; 1.OA.C5; 1.OA.C6; 1.OA.D7; 1.OA.D8
Save when you buy this as part of a Year Round Math for First Grade bundle!
Use to supplement your teaching of operations and algebraic thinking for four weeks. In this pack there are 20 differentiated worksheets and work mats to help students with the concept of missing addends and balancing equations.
Students need to have a firm foundation of number bonds and building and breaking numbers before they can attempt missing addends, so to begin with demonstrate using the number bonds work mat on pages 2 and 3 to show how to decompose and compose numbers. If possible, project this to a whiteboard and use manipulatives to show the students how to break numbers. Give each student their own work mat and popcorn manipulatives (or use counters or real popcorn!). Start by drawing one of the popcorn cards (on pages 8, 9, 12 and 13) and place that number of popcorn manipulatives onto the circle under the elephant.
Have the children share the popcorn between the lion and the seal and discuss the different ways they found to share. Then tell the students how many popcorn kernels to give the lion and have them find how many is left for the seal. Practice this frequently – it is a great way to start every math lesson and review at the end. As children become more proficient in decomposing numbers, have them play this game and record their work on pages 4 and 5.
When students have shown proficiency in breaking and making numbers, they are ready to work with missing numbers and balancing equations. Students will need lots of practice. Revisit the concept sheets regularly by placing them in your math station rotations.
Students will be able to use the work mats to help them with pages 14 – 38.
Most worksheets for individual practice are designed to be run back-to-back.
Some concept sheets also come with a blank companion sheet. Use these to program your own numbers with a sharpie for extra practice or homework, or to differentiate for the needs of students and to project to an overhead or whiteboard for guided math practice.
As an end of unit fun craft, students build their own circus 'strong man' from the the templates provided and then balance the barbells with their equations. To differentiate, teachers can decide whether to make it a true or false activity with students hiding the answer behind a window flap.
This would make a great circus themed bulletin board and can make a difficult concept easier to understand with a clear visual craft that demonstrates balancing equations.
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