How to Round a Number to the Nearest Tenth (1 Decimal Place)
How do you round 64 to the nearest 10? Will 64 round to 60 or 70?
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Transcript of How do you round 64 to the nearest 10? Will 64 round to 60 or 70?
![Page 1: How do you round 64 to the nearest 10? Will 64 round to 60 or 70?](https://reader033.fdocuments.in/reader033/viewer/2022050721/5697bfb51a28abf838c9d5f3/html5/thumbnails/1.jpg)
How do you round 64 to the nearest 10?
Will 64 round to 60 or 70?
![Page 2: How do you round 64 to the nearest 10? Will 64 round to 60 or 70?](https://reader033.fdocuments.in/reader033/viewer/2022050721/5697bfb51a28abf838c9d5f3/html5/thumbnails/2.jpg)
In this lesson you will learn how to round to the nearest 10
by using base ten blocks.
![Page 3: How do you round 64 to the nearest 10? Will 64 round to 60 or 70?](https://reader033.fdocuments.in/reader033/viewer/2022050721/5697bfb51a28abf838c9d5f3/html5/thumbnails/3.jpg)
Let’s ReviewLet’s Review
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21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
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Let’s ReviewLet’s Review
Base Ten Blocks
OnesTensHundredsThousands
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Let’s ReviewLet’s Review
Thousands Hundreds Tens Ones
2 4 6 7
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Let’s ReviewA Common Mistake
Knowing when to round up or round down.
It is important to consider the number size and the benchmark numbers when
rounding.
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Let’s ReviewCore Lesson
Rounding - To find a number that is close to a given number.
My family drove 323 miles on
vacation.
We drove about 320 miles.
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Let’s ReviewCore Lesson
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
Numbers less than the midpoint round down.
Numbers the same as or greater than the midpoint round up.
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Let’s ReviewCore Lesson
Round 51 to the nearest ten. 51 is between 50 and 60.
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Let’s ReviewCore Lesson
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
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Let’s ReviewCore Lesson
Round 57 to the nearest ten.
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Let’s ReviewCore Lesson
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
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Let’s ReviewCore Lesson
Round 485 to the nearest ten.
485 is between 480 and 490.
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Let’s ReviewCore Lesson Round 485 to the nearest ten.
490
100 200 300
400
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Let’s ReviewCore Lesson
Round 64 to the nearest 10
Now I have 6 groups of 10 and
0 ones.60
7064 – = 6064 + = 70
46
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Let’s ReviewCore Lesson
368 Rounds Up to 370
368 – = 360368 + = 370
82
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In this lesson you have learned how to round to the nearest 10
by using base ten blocks.
![Page 18: How do you round 64 to the nearest 10? Will 64 round to 60 or 70?](https://reader033.fdocuments.in/reader033/viewer/2022050721/5697bfb51a28abf838c9d5f3/html5/thumbnails/18.jpg)
Let’s ReviewGuided Practice
1). Round 167 to the nearest ten.
2). Round 24 to the nearest ten.
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Let’s ReviewExtension Activities
Prepare digit cards 0 – 9. Turn the cards over and select two digits to create a number.
Find this number on a hundreds chart and round to the nearest 10.
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Let’s ReviewExtension Activities
Create the following numbers with base ten blocks. Round each number to the nearest 10.
78 345 852 124
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Let’s ReviewQuick Quiz
1). Round 87 to the nearest 10.
2). Round 472 to the nearest 10.