Round 21 to the nearest ten
20
Round 811 to the nearest hundred
800
Round 5,308 to the nearest thousand
5,000
Sarah makes 6 chocolate chip cookies, 6 snickerdoodle cookies, and 12 peanut butter cookies. How many cookies did Sarah make in all?
24 cookies
Tina's Beauty Salon charges $37 per haircut. If the salon has 2 visitors that day, ESTIMATE how much money Tina would make.
$40 + $40 = $80
Round 38 to the nearest ten
40
Round 105 to the nearest hundred
100
Round 101,976 to the nearest thousand
102,000
Billy grows 400 pumpkins. He sells 140 of them. How many pumpkins does Billy have left?
260 Pumpkins
Henry the dog buried 33 bones in his yard in the month of June. In July, he dug up 12 of the bones. ESTIMATE how many bones are still buried?
30 bones - 10 bones = 20 bones still buried
Round 474 to the nearest ten
470
Round 2,497 to the nearest hundred
2,500
Round 34,999 to the nearest thousand
35,000
Kate spends 2 hours dancing on Monday, 2 hours on Tuesday, 3 hours on Thursday, and 4 hours on Saturday. How many hours does Kate spend dancing altogether?
11 hours
Ben wanted to buy a TV that cost $343. He has already saved $96. ESTIMATE to the NEAREST TEN how much more money Ben needs to save to buy the TV.
$340 - $100 = $240
Round 1,371 to the nearest ten
1,370
Round 999 to the nearest hundred
1,000
Round 19,302 to the nearest thousand
19,000
28 pencils
Julie has 12 socks, 24 shirts, 8 pants, and 7 pairs of shoes. ESTIMATE how many clothing items she has in all.
10 socks + 20 shirts + 10 pants + 10 shoes = 50 clothing items
Round 9,989 to the nearest ten
9,990
Round 10,444 to the nearest hundred
10,400
Round 1,989,900 to the nearest thousand
1,999,000
Mary is trying to do 300 pushups. She does 35 pushups on Monday, 45 pushups on Tuesday, 50 pushups on Wednesday, and 105 pushups on Thursday. How many more pushups does Mary need to do?
65 more pushups
There are 219 vegetables in my garden. 32 of them were eaten by chickens, and 108 of them blew away in the wind. ESTIMATE to the NEAREST TEN how many vegetables do I have left over?
220 veggies - 30 eaten - 100 blow away = 90 vegetables left