Rounding Rules Find the number to be rounded

Rounding Rules!!

Find the number to be rounded, Look next door If it’s 5 or above, Give it a shove! If it’s 4 or below, Let it go!!

Let’s try rounding! 37 Let’s round this number to the nearest tens

37 Find the number, Look next door If it’s 5 or above, give it a shove! If it’s 4 or below, Let it go! We are rounding to the nearest ten. The number 3 is in the tens place. Look next door. The number next door is a 7. Seven is 5 or above so we are going to give the number 3 a shove. The 3 becomes a 4 and everything to the right becomes a zero.

37 rounded to the nearest ten becomes 40. Think about it this way, is 37 closer to 30 or 40? 7 30 6 31 5 32 4 33 3 34 2 35 1 36 1 37 2 38 3 39 40

Let’s try rounding!!! • • • 42 56 74 23 16 99 = = = 40 60 70 20 20 100 That one was tricky!

Let’s try rounding! 273 Let’s round this number to the nearest tens

273 Find the number, Look next door If it’s 5 or above, give it a shove! If it’s 4 or below, Let it go! We are rounding to the nearest ten. The number 7 is in the tens place. Look next door. The number next door is a 3. Three is 4 or below, so let it go. The 7 stays the same and everything to the right becomes a zero.

273 rounded to the nearest ten becomes 270. Think about it this way, is 273 closer to 270 or 280? 1 2 3 4 5 6 7 270 271 272 273 274 275 276 277 278 279 280

Let’s try rounding!!! • 244 = • 536 = • 773 = • 217 = • 186 = • 979 = 240 540 770 220 190 980 Nic ! b e Jo