Rounding/Estimation
What is 342 rounded to the nearest 10?
340
1/2 is equal to what other fraction?
Any fraction that equals 1/2 (Numerator is half of Denominator)
Ex. 2/4 or 3/6 or 5/10
200 + 475 = n
n = 675
9 x 6 = a
a = 54
I have 364 stickers in my collection. If I buy 3 more sheets of 100 stickers, how many stickers will I have all together?
364 + 300 = n OR 364 + 100 + 100 + 100 = n
n = 664 stickers
What is 837 rounded to the nearest 100?
800
4/5 is greater than or less than 2/6?
Greater Than
546 - 334 = n
n = 212
a = 5 x 7
a = 35
In a year of playing capture the flag, the yellow team got the flag 379 times. The green team got the flag 248 times. How many more wins does the yellow team have?
379 - 248 = n
n = 131 wins
What is 485 rounded to the nearest 10?
490
If I cut a pizza into 7 equal pieces and then ate two of them, what fraction of the pizza is left?
5/7
30 + 27 + 110 = n
n = 167
How many legs do 4 octopuses have?
32 legs
I earned 482 robux on Monday, 328 robux on Tuesday, and 120 robux on Wednesday. How many total robux do I have?
482 + 328 + 120 = n
n = 930 Robux
If I have 23 chocolate cupcakes and 42 vanilla cupcakes. What is the best estimate of how many cupcakes I have all together?
60 Cupcakes
any fraction where numerator and denominator are the same
ex. 2/2 or 4/4 or 10/10
482 - 391 = n
n = 91
How many angles do 6 triangles have?
18 angles
If there are 16 students in Mrs. Biggart's class and 17 students in Ms. Kiely's class, how many shoes are in the both classes combined not including teacher shoes?
(16 x 2) + (17 x 2) = n
n = 66 shoes
If I had 394 napkins on the table and about 50 napkinds blew away in the wind, about how many napkins are still on the table?
About 350
Write a fraction equal to 3/4
6/8 or 9/12 or 15/20 etc.
627 - 42 -116 = n
n = 469
If I eat breakfast, lunch, and dinner every day, how many meals will I eat in a week?
3 x 7 = 21
21 Meals
Mrs. Biggart gave 2 chocolate donuts and 3 glazed donuts to every student in her class. If she bought 100 donuts and there are 16 students in her class, how many donuts are leftover? (try an equation but it does not count)
(2 x 16) + (3 x 16) = n
100 - n = s
s = 80 donuts