Rounding
Copyright © 2000 by Monica Yuskaitis Objectives n To be able to round numbers to the nearest n To be able to round numbers to the nearest ten n To be able to round numbers to the nearest hundred n To be able to round numbers to the nearest thousand n To be able to round numbers to the nearest ten thousand n To be able to round numbers to the nearest hundred thousand n To be able to round numbers to the nearest million
Copyright © 2000 by Monica Yuskaitis Objectives n To be able to round numbers to the nearest tenth n To be able to round numbers to the nearest hundredth n To be able to round numbers to the nearest millionth
Copyright © 2000 by Monica Yuskaitis Vocabulary n Round – to replace an exact number by another that is close to it in value and easier to use. For example, 52, rounded to the nearest ten is 50.
Copyright © 2000 by Monica Yuskaitis Memorize this Poem Find your number. Look right next door. 4 or less just ignore. 5 or more, add 1 more.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest ten. Find your number. 4 7 Circle the number in the tens place.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest ten. Look right next door. 4 7 Draw an arrow to the right of the number.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest ten. 4 or less, just ignore is larger than 4 so go to the next line of the poem.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest ten. 5 or more, add 1 more. 4 7 Add 1 to the 4. +1
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest ten. 5 or more, add 1 more. 5 0 After adding 1 to the 4, all the numbers to the right of the 5 become 0’s.
Copyright © 2000 by Monica Yuskaitis The Answer 4 7 rounded to the nearest tens place is Note 47 is closer to 50 on the number line.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest hundred. Find your number Circle the number in the hundreds place.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest hundred. Look right next door Draw an arrow to the right of the number.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest hundred. 4 or less, just ignore is larger than 4 so go to the next line of the poem.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest hundred. 5 or more, add 1 more Add 1 to the 9. +1
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest hundred. 5 or more, add 1 more. 1, After adding 1 to the 9, all the numbers to the right of the 10 become 0’s.
Copyright © 2000 by Monica Yuskaitis The Answer 986 rounded to the nearest hundreds place is 1, Note 986 is closer to 1,000 on the number line.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest thousand. Find your number. 3 5, Circle the number in the thousands place.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest thousand. Look right next door. 3 5, Draw an arrow to the right of the number.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest thousand. 4 or less, just ignore. 3 5, Since 3 is less than 4 we do not change the 5.
Copyright © 2000 by Monica Yuskaitis Round this number to the nearest thousand. 4 or less, just ignore. 3 5, Change the numbers to left of 5 to 0’s.
Copyright © 2000 by Monica Yuskaitis The Answer 35,327 rounded to the nearest thousand is 3 5, ,00035,327 Note 35,327 is closer to 35,000 on the number line than to 36,000.
Copyright © 2000 by Monica Yuskaitis Round these numbers to the nearest ten
Copyright © 2000 by Monica Yuskaitis Round these numbers to the nearest hundred. 2, , , , , , 2 0 0
Copyright © 2000 by Monica Yuskaitis Round these numbers to the nearest thousand. 2, , , , , , , , 0 0 0
Copyright © 2000 by Monica Yuskaitis Credits Illustrations from: Illustrations from: n Clipart from ClickArt 125,000 Deluxe Image Pak, T/Maker Co., Broderbund Software, Inc.