Addition
100 + 45
145
80 - 40
40
True or false
7 rounded to the nearest ten is 10
True
I have 150 beads and then Alex gives me 26 more. How many beads do I have in total?
176 beads
Is the number 27 even or odd?
254 + 124
478
150 - 120
30
True or false
122 rounded to the nearest ten is 120
True
88 marbles
200 - 99
101
326 + 215
541
177 - 135
42
What is the nearest hundred to 389?
400
Nate has a box of 50 cards. 2 people each take 5 cards. How many does Nate have left?
40 cards
How many even numbers are in this list?
1, 3, 6, 8, 9
2
454 + 262
716
562 - 246
316
What is the nearest hundred to 531?
500
Milo has 75 dollars. He bought 3 packages of cookies. Each package cost 4 dollars. How much money does Milo have left?
63 dollars
There are 400 frogs in the pond. There are 186 large frogs and 114 small frogs. How many medium frogs are there?
Nick estimates that there are 100 medium frogs. Do you agree?
Yes.
If you round 186 to the nearest hundred you get 200. If you round 114 to the nearest 100 you get 100. 200+ 100 is 300. 400- 300 is 100.
273
713 - 345
368
What is the nearest ten to 356?
360
There are 70 books in the library. Four students check out six books each. The number of books left in the library is "b".
Which equation represents the situation?
A. 70 - 6+4 = b
B. 6-4 + b = 70
C. 70 - 4 x 6 = b
D. b - 4 x 6 = 70
C. 70 - 4 x 6 = b
There are 400 frogs in the pond. There are 186 large frogs and 114 small frogs.
Rounded to the nearest ten, how many large frogs are there in the pond?