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ADDITION ESTIMATION
Estimate sums using rounding to check if your answer makes sense.
L4L5
CS.N.3.3·Estimating results of calculations with natural numbers(III)CS.N.4.3·Estimating and verifying results(IV)
Section 1 / 3
LEADER TIP
Make estimation a daily warm-up. Ask 'Is this answer reasonable?' after every practice problem to build number sense.
BEFORE THIS LESSON, TRY
Place Value AdditionPRACTICE WITH THESE GAMES
Guess the Number
Math Bingo
Addition QuizWant more practice? Generate printable worksheets with similar problems.
Go to Worksheets