Round 2 digit numbers to the nearest 10
Round to the hundreds
Round 3 digit numbers to the tens
Problem Solving
Benchmark Numbers
100
Round 36 to the nearest ten.
What is 40?
100
Round 761 to the nearest hundred.
What is 800?
100
Round 294 to the nearest ten.
What is 290?
100
Jeremy and his sister wanted to purchase a trampoline. Jeremy saved $89, and his sister saved $73. About how much money have they saved?
What is $160?
100
The benchmark numbers for rounding 64 to the nearest ten are _________________.
What is 60 and 70?
200
Round 54 to the nearest ten.
What is 50?
200
Round 351 to the nearest hundred.
What is 400?
200
Round 695 to the nearest tens.
What is 700?
200
Jen would like to buy a new outfit. She has saved $100. If the shirt is $39, pants $54, and shoes $49. About how much more money will Jen need to save in order to purchase her new outfit?
What is $40?
200
The benchmark numbers for rounding 433 to the nearest hundred are _________________.
What is 400 and 500?
300
Round 89 to the nearest ten.
What is 90?
300
Round 850 to the nearest hundred.
What is 900?
300
Round 255 to the nearest tens.
What is 260?
300
Travis rounded 482 to the nearest ten and got 480. When he rounded it to the nearest hundred, he got 400. Is his rounding correct? Why or why not?
What is the tens place - yes. When you round 482 to the hundreds, it should be 500, not 400. He looked at the ones place to round to the hundreds when he should have looked at the tens place.
300
The benchmark numbers for rounding 92 to the nearest ten are _________________.
What is 90 and 100?
400
Round 75 to the nearest ten.
What is 80?
400
Round 549 to the nearest hundred.
What is 500?
400
Round 816 to the nearest tens.
What is 820?
400
The Millers hosted a neighborhood BBQ. They invited 41 people on River Street and 37 people on Maple Street. The Millers noticed that only 63 people attended the party. About how many did not?
What is 20?
400
The benchmark numbers for rounding 813 to the nearest hundred are _________________.
What is 800 and 900?
500
Round 99 to the nearest ten.
What is 100?
500
Round 950 to the nearest hundred.
What is 1,000?
500
Round 998 to the nearest ten.
What is 1,000?
500
Kim rounded her daughters age to 10 and her sons age to 20, but they are really only 2 years apart. What could be the ages of her children?
What is 13 and 15 or 14 and 16?
500
The benchmark numbers for rounding 255 to the nearest ten are _________________.
What is 250 and 260?
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