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Unknown Numbers in Equations

Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Unknown Numbers in Equations
Product Description
This product contains practice problems on solving for the unknown number in addition, subtraction, multiplication, and division problems.

There is 1 classwork and 1 homework sheet that includes unknown numbers for all 4 operations. There are 2 quizzes (5 questions each) on solving for the unknown number. The quizzes are broken up into addition and subtraction on #1 and multiplication and division on #2 so you can assess each objective separately. An answer key is included.

The Common Core objectives for 3rd grade are listed at the top or bottom of each sheet:

CCSS.Math.Content.3.OA.A.4 Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?

CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

This could also be a good review of the 4th Grade Common Core Objective:

CCSS.Math.Content.4.OA.A.2 Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.
Total Pages
5 pages
Answer Key
Included
Teaching Duration
3 days
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