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.
CK-12 Foundation
Ck 12: Elem Math: Balancing the Equations Numbers to 1000
[Free Registration/Login may be required to access all resource tools.] The video shows how to use addition and subtraction to keep an equation balanced by working backwards to determine the missing value. The video is followed by...
CK-12 Foundation
Ck 12: Elem Math: Add and Subtract to 100 Mixed Operations and Word Problems
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students solve addition and subtraction problems in order to determine missing numbers to keep the equation balanced. When...
Math Slice
Math Slice: Heavy Slice Special Test
A concise test for assessing number sense using weights and scales. Assessment is scored online offering students immediate feedback. Can be used for a quick assessment.