Rounding
Addition
Subtraction
Mystery Number
Multiplication
100

Round 634 to the nearest 10.

330

100

208+142

350

100

324-248=

76

100

280+35=N

N=315

100

Draw an array for 3x7 and give me the correct product

*******

*******

*******   =21

200

Round 154 to the nearest 100

200

200

807+53=

860

200

400-356=

44

200

72-N=53

N=19

200

Draw equal groups of 6x4 and give me the correct answer 

24

300

Madison says that when rounded to the nearest hundred 204 rounds to 200. She says when rounded to the nearest 10, 204 is also rounded to 200. Is she correct?

Yes

300

Riley, Samantha, and Emma were baking cookies. They made 45 cookies on Monday, 20 cookies on Tuesday, and 76 cookies on Wednesday. How many cookies did they bake total? 

141 Cookies

300

450-202=

248

300

48+N=27+33+12

N=24

300
Draw on a number line 8x4 and give me the correct answer.

32

400

What is the greatest number that rounds to 10. What is the least number that rounds to 10?

Greatest:14

Least:5

400

Yorbin has 398 tokens and Ethan has 245 tokens. How many tokens do they have altogether?

643 tokens

400

Jack ran 10 miles on Monday and 5 miles on Tuesday. Kyla ran 12 miles on Wednesday and 7 miles on Thursday. How many more miles total did Kyla run than Jack?

4 more miles
400

4XN=0

N=0

400

Jermaine has a book shelf with 6 shelves 9 books can fit on each shelf. If Jermaine's bookshelf is full of books how many books does Jermaine have?

54 books

500

What is the greatest number that rounds to 80. What is the least number that rounds to 80?

Greatest: 84

Least:75

500

Suri used her Fly Right tickets to purchase some Prizes. She chose a no homework pass for 74 tickets, pajama day for 377 tickets, and write with a pen for 94 tickets. How many Fly Right tickets did Suri spend?

545 tickets

500

Izzie and Liam were decorating bags for Halloween. they have 150 bags total. On Wednesday they decorated 31 bags, on Thursday they decorated 47 bags, and on Friday they decorated 13 bags. How many more bags do they need to decorate? 

59 more bags

500

N-468=213

N=681

500

Ryan has 5 drawers of cards with 6 cards in each drawer. William has 6 books of cards with 5 cards in each book. Who has more cards? How do you know.

They both have 30 cards. Because of the commutative property of multiplication I can switch my factors and the sum will remain the same.