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Round off to nearest ten Round off to nearest hundred Round off to nearest thousand Created By Made Nuryadi.

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Presentasi berjudul: "Round off to nearest ten Round off to nearest hundred Round off to nearest thousand Created By Made Nuryadi."— Transcript presentasi:

1 Round off to nearest ten Round off to nearest hundred Round off to nearest thousand Created By Made Nuryadi

2 82 is between 80 and 90 Is nearer to 80 than to 90 So, 82 is 80 when rounded off to nearest ten

3 Panjang pita B 17 cm 17 terletak antara 10 dan lebih dekat ke 20 dibandingkan ke 10 Sehingga 17 ≈ 20

4 Concept: To round off a number to the nearest Ten, Untuk membulatkan ke puluhan terdekat study the digit in the ones place: Pelajari nilai tempat satuannya if it is 5 or greater than 5, round up Jika nilainya sama dengan 5 atau lebih besar dari 5, bulatkan keatas. if it is smaller than 5, round down Jika lebih kecil dari 5 bulatkan kebawah 78 ≈ ≈ 60

5 Round off each number to the nearest ten a. 42 b. 25 c. 97 d. 64 e. 114 f. 179 g. 345

6 Concept: To round off a number to the nearest hundred, study the digit in the tens place: if it is 5 or greater than 5, round up if it is smaller than 5, round down

7 270 is between 200 and 300 It is nearer to 300 than to is 300 when round off to the nearest hundred

8 Using the number line, round off each number to the nearest hundred 340 _____ 375 _____ 445 _____ 490 _____

9 a) is ____when round off to the nearest hundred b) is ____when round off to the nearest hundred c) is ____when round off to the nearest hundred d) is ____when round off to the nearest hundred

10 Round off each number to the nearest hundred a) 560 b) 992 c) 3560 d) 9890 e) 4770 Round off each number to the nearest hundred a) 449 b) 7940 c) d) e) 89950

11 Concept: To round off a number to the nearest thousand, study the digit in the hundreds place: if it is 5 or greater than 5, round up if it is smaller than 5, round down

12 The price of a math book is Rp ,- when rounded off to nearest thousand rupiah. What could the price of the math book be? is between and It is nearer to than to is when round off to the nearest thousand

13 Round off each number to the nearest thousand a) b) c) d) e) Round off each number to the nearest thousand a) b) c) d) e)

14 1. Find three numbers when rounded off to the nearest hundred is equal to if rounded off to the nearest thousand. 2. There were 3750 visitors at a science exhibition. Round off the number of visitors to nearest hundred and to nearest thousand.

15 Round off each number to the nearest 100. then estimate the value off the following. a) b) c) 2998 x 3

16 Let’s find out in shaping math book activity part 1at page LETS HAVE FUN IN MATH By Mr. Made


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