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Finding Unknown Numbers: Addition and Subtraction

3 Questions

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Finding Unknown Numbers: Addition and Subtraction

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Questions and Answers

What is the unknown number if 135 is added to 267?

402

If a number is subtracted from 456 and the result is 298, what is the number?

158

If you add 378 to an unknown number and the result is 593, what is the unknown number?

215

Study Notes

Solving Unknown Numbers

135 is added to an unknown number to get 267, implying the unknown number is 267 - 135 = 132.
An unknown number is subtracted from 456 to get 298, implying the unknown number is 456 - 298 = 158.
378 is added to an unknown number to get 593, implying the unknown number is 593 - 378 = 215.

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Description

This quiz challenges your skills in solving for unknown numbers by performing addition and subtraction with 3 and 2 digit numbers. It presents three different scenarios where an unknown number needs to be found through addition and subtraction operations.