3.OA.A.4 Lesson Plans

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 = ?.

The apps, sample questions, videos and worksheets listed below will help you learn Finding Unknown Values.

Coherence Map of 3.OA.A.4

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Standard Description of 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 = ?.

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Worksheets on Finding Unknown Values

TOPICS RELATED TO FINDING UNKNOWN VALUES

What are the steps in finding for the unknown?

"to do so, we would: Identify the known ratio, where both values known. Pick out the ratio with one known value and one unknown value. Use the 2 ratios to create a proportion. Cross-multiply to solve the problem."

How do you solve an unknown ratio?

to apply proportions to resolve ratio word issues, we want to comply with those steps: Identify the resgarded ratio and the unknown ratio. Set up the proportion. cross-multiply and solve. Take a look at the answer by plugging the end result into the unknown ratio.

How do you find two unknown variables?

approach 1 the usage of the substitution method Circulate the variables to one of a kind aspects of the equation. ... Divide each facets of the equation to "solve for x." ... Plug this returned into the opposite equation. ... Solve for the remaining variable. ... Use the answer to solve for the other variable. ... Realize what to do whilst each variables cancel out.

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