1. Rounding Rules By Kesha D. Luker

2. Rounding to the Nearest Ten Round 78 to the nearest ten Round 78 to the nearest ten Step 1 – Underline the 7. The 7 is in the tens place. This helps you keep track of what number you are rounding to. 78787878 Step 2 – “Fruit Loop” the 8. This is the number that determines if you are going to round up or down. 7 8

3. Step 3 – Answer the two questions: Step 3 – Answer the two questions: I can round down to _____ ?” I can round up to _____? The number 78 rounds down to 70 or rounds up to 80.

4. Step 4 – You are going to round 78 to 70 or 80. How do you determine which number? Step 4 – You are going to round 78 to 70 or 80. How do you determine which number? Remember our chant Remember our chant 1,2,3,4, everybody move down to the floor 1,2,3,4, everybody move down to the floor 5,6,7,8,9 everybody move up the line 5,6,7,8,9 everybody move up the line Go back and look at 78. We “Fruit Looped” the 8. The 8 tells us to move up the line or round to the larger number, which is 80.

5. A simpler way to look at this is to look at where our number is on the number line. Is 78 closer to 70 or to 80? A simpler way to look at this is to look at where our number is on the number line. Is 78 closer to 70 or to 80? 78 is closer to 80 78 is closer to 80 An important thing to remember is if the ones digit is five, you will round up to the larger number. An important thing to remember is if the ones digit is five, you will round up to the larger number.

6. Let’s try a few! 36 363 6 You can round down to… 30 You can round up to … 40 The “Fruit Loop” number is 6, so we need to round… UP to 40.

7. Let’s try a few! 12 121 2 You can round down to… 10 You can round up to … 20 The “Fruit Loop” number is 2, so we need to round… DOWN to 10.

8. Let’s try a few! 96 969 6 You can round down to… 90 You can round up to … 100 The “Fruit Loop” number is 6, so we need to round… UP to 100.

9. Let’s try a few! 44 444 4 You can round down to… 40 You can round up to … 50 The “Fruit Loop” number is 4, so we need to round… DOWN to 40.

10. Rounding to the Nearest Hundred You will complete the same steps for rounding to the nearest hundred. You will complete the same steps for rounding to the nearest hundred. Round 234 to the nearest hundred. Round 234 to the nearest hundred. Step 1 – Underline the 2. The 2 is in the hundreds place. This helps you keep track of what number you are rounding to. 234 Step 2 – “Fruit Loop” the 3. This is the number that determines if you are going to round up or down. 2 4 3

11. Step 3 – Answer the two questions: Step 3 – Answer the two questions: I can round down to _____ ?” I can round up to _____? The number 234 rounds down to 200 or rounds up to 300. 0 100 200 300 400 500 600 700 800 900 1000

12. Step 4 – You are going to round 234 to 200 or 300. How do you determine which number? Step 4 – You are going to round 234 to 200 or 300. How do you determine which number? Remember our chant Remember our chant 1,2,3,4, everybody move down to the floor 1,2,3,4, everybody move down to the floor 5,6,7,8,9 everybody move up the line 5,6,7,8,9 everybody move up the line Go back and look at 234. We “Fruit Looped” the 3. The 3 tells us to move down the line or round to the smaller number, which is 200.

13. Let’s try a few! 389 389 3 9 8 You can round down to… 300 You can round up to … 400 The “Fruit Loop” number is 8, so we need to round… UP to 400. 0 100 200 300 400 500 600 700 800 900 1000

14. Let’s try a few! 437 437 4 7 3 You can round down to… 400 You can round up to … 500 The “Fruit Loop” number is 3, so we need to round… DOWN to 400. 0 100 200 300 400 500 600 700 800 900 1000

15. Let’s try a few! 982 982 9 2 8 You can round down to… 900 You can round up to … 1000 The “Fruit Loop” number is 8, so we need to round… UP to,1000. 0 100 200 300 400 500 600 700 800 900 1000

16. Let’s try a few! 715 715 7 5 1 You can round down to… 700 You can round up to … 800 The “Fruit Loop” number is 1, so we need to round… DOWN to 700. 0 100 200 300 400 500 600 700 800 900 1000