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0.61 MB | 9 pages of student work pages
These problems follow from the “Equations using Fact Families” activity. There are 3 problems using addition or subtraction equations, 6 problems using multiplication or division equations, and 5 mixed problems with no operations indicated.
Students are expected to name the operation, write the equation they use to solve the problem, and rewrite the original equation to verify their solution.
The method of solving the problems, following from the above activity, is to identify the known numbers and write the equation that follows (e.g., “Total – addend = addend” ). This reinforces students’ number sense and understanding of the relationship and relative size of the three numbers in the equation.
The process is identical for both addition-subtraction, and multiplication-division equations.
Common Core Standards:
4.OA.3: “Solve word problems…using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.”
Subject: Math, Algebra, Mental Math, Equations
Level: Grades 4 – 6
Length/Duration: 9 pages of student work -- 2 days
Type of Resource: Instructional unit with students relating an equation to a problem situation and identifying the appropriate way to solve the equation
Answer Key: included
A Smart Notebook 10 file is also included. Click on the .zip icon and you can open the PDF and Notebook files separately.