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0400300200100500 Rounding Off Numbers to the Nearest Ten.

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Presentation on theme: "0400300200100500 Rounding Off Numbers to the Nearest Ten."— Presentation transcript:

1 0400300200100500 Rounding Off Numbers to the Nearest Ten

2 0400300200100500 50150250350450 Rounding Off Numbers to the Nearest Ten

3 0 10 20 30405060908070 100 Rounding Off Numbers to the Nearest Ten

4 20 21 22 23242526292827 30 Rounding Off Numbers to the Nearest Ten

5 0 10 20 30405060908070 100 Round off 37 to the nearest ten 37 is between 30 and 40. Rounding Off Numbers to the Nearest Ten

6 Round off 37 to the nearest ten 30 31 32 33343536393837 40 37 37 is nearer to 40 than to 30 37 is ? when rounded off to the nearest ten. 40 Rounding Off Decimals Where are the nearest tens? X 37  40

7 0 10 20 30405060908070 100 Round off 66 to the nearest ten 66 is between 60 and 70. Rounding Off Numbers to the Nearest Ten

8 Round off 66 to the nearest ten 60 61 62 63646566696867 70 66 66 is nearer to 70 than to 60. 66 is ? when rounded off to the nearest ten. 70 X 66  70 Rounding Off Numbers to the Nearest Ten Where are the nearest tens?

9 0 10 20 30405060908070 100 Round off 11 to the nearest ten 11 is between 10 and 20. Rounding Off Numbers to the Nearest Ten

10 Round off 11 to the nearest ten 10 11 12 13141516191817 20 11 11 is nearer to 10 than to 20. 11 is ? when rounded off to the nearest ten. 10 X 11  10 Rounding Off Numbers to the Nearest Ten Where are the nearest tens?

11 0 10 20 30405060908070 100 Round off 45 to the nearest ten 45 is between 40 and 50. Rounding Off Numbers to the Nearest Ten

12 Round off 45 to the nearest ten 40 41 42 43444546494847 50 45 45 is halfway between 40 and 50. 45 is ? when rounded off to the nearest ten. 50 halfway X 45  50 Rounding Off Numbers to the Nearest Ten

13 100 110 120 130140150160190180170 200 Round off 186 to the nearest ten 186 is between 180 and 190. Rounding Off Numbers to the Nearest Ten

14 Round off 186 to the nearest ten 180 181 182 183184185186189188187 190 186 186 is nearer to 190 than to 180. 186 is ? when rounded off to the nearest ten. 190 X 186  190 Rounding Off Numbers to the Nearest Ten Where are the nearest tens?

15 What are the other numbers that can be rounded off to 40 aside from 37? 30 31 32 33343536393837 40 37 Rounding Off Numbers to the Nearest Ten NO

16 3536393837 40 41 424344 45 37 NO What are the other numbers that can be rounded off to 40 aside from 37? Rounding Off Numbers to the Nearest Ten 34 NO

17 10 11 12 13141516191817 20 What are the other numbers that can be rounded off to 10 aside from 11? 11 NO Rounding Off Numbers to the Nearest Ten

18 5 6 7 89 10 141312 15 11 NO What are the other numbers that can be rounded off to 10 aside from 11? Rounding Off Numbers to the Nearest Ten 4 NO

19 The number of pupils in class Cana A is 30 when rounded off to the nearest ten. What could be the actual number of pupils in Cana A? 2040 30 25 26 27 28 29 31 32 33 34 35 24 NO 25 35 What could be the maximum number of students in class Cana A?

20 The number of pupils in class Cana A is 30 when rounded off to the nearest ten. What could be the actual number of pupils in Cana A? 2040 30 25 26 27 28 29 31 32 33 34 35 24 NO 25 35 What could be the minimum number of students in class Cana A?


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