Rounding Numbers to the nearest 10 Next
Rounding numbers means to get close to the exact number. It’s used when we estimate. Next
Rounding to the nearest These numbers round down to 20 because they are closer. Next
Rounding to the nearest These numbers round up to 30 because they are closer. Next
Rounding Poem Find your place Look next door 4 or less… Just ignore. 5 or greater Add one more Next Click to hear poem
Let’s round 39 to the nearest 10 Next
Underline the place that you want to round to… the tens place Next
3939 Look next door … To the ones place. Next
3939 Circle the digit to the right… The ones place. Next
3939 If the circled digit is a 1, 2, 3, 4 … The underlined digit stays the same. Next
3939 If the circled digit is a 5, 6, 7, 8, 9 … Add one to the underlined digit. Next
39 becomes 40 Add one to the underlined digit…. The circled digit becomes 0. Next
This makes sense because 39 is much closer to Next
Take another look… Let’s round 52 to the nearest ten. Next
Underline the digit in the tens place Next
5252 Look next door... Next
5252 Circle the ones digit. Next
5252 Is it a 1, 2, 3, 4 ? Next
52 becomes 50 Yes! The underlined digit stays the same and the circled digit becomes a 0. Next
This makes sense because 52 is much closer to Next
Take another look… Let’s round 75 to the nearest ten. Next
Underline the digit in the tens place Next
7575 Look next door... Next
7575 Circle the ones digit. Next
7575 Is it a 1, 2, 3, 4 ? No! Next
7575 Is it a 5, 6, 7, 8, 9 ? YES! Next
75 becomes 80 The add one to the underlined digit and the circled digit becomes a 0. Next
This makes sense because 75 is closer to Next
Ready to give it a try? Remember the poem if you get stuck. Good luck! Next
Round 37 to the nearest 10. Next
Oops! Remember the rule… Next Click to hear poem
3737 If the circled digit is 5, 6, 7, 8, 9… Add one to the underlined digit Next
37 would be closer to Next
Let’s try that again! Go
Yes! Well done! Next
3737 The circled digit is 5, 6, 7, 8, 9… Add one to the underlined digit Next
37 would be closer to Next
Try another! Next
Round 83 to the nearest 10. Next
Oops! Remember the rule… Next Click to hear poem
8383 If the circled digit is 1, 2, 3, 4… The underlined digit stays the same. Next
83 would be closer to Next
Let’s try that again! Go
Yes! Well done! Next
8383 The circled digit is 1, 2, 3, 4… The underlined digit stays the same. Next
83 would be closer to Next
Great job! Now try a few on your own. Next
Round the following numbers to the nearest 10 on paper. When you are done, bring the paper to me. Good Luck! Next
Round 38 to the nearest 10. Next
Round 52 to the nearest 10. Next
Round 89 to the nearest 10. Next
Round 74 to the nearest 10. Next
Round 38 to the nearest 10. Next
Round 66 to the nearest 10. Next
Round 15 to the nearest 10. Next
You are done! Thank you for your hard work. Please remember to bring your paper to me.