Which number sentences shows the Commutative Property of Addition? Mark all that apply.
A. 12 + 4 = 4 + 12
B. 4 + 8 = 12
C. 8 + (7+4) = 8 + (4+7)
D. (8+4) + 4 = (4+4) + 8
What is A and C
100
Select the numbers that round to 500 when rounded to the nearest hundred. Select all that apply.
A. 455
B. 489
C. 523
D. 598
What is A, B, and C
100
Ali brought in 335 box tops. Miles brought in 234 box tops. Miles estimates that he brought in 110 fewer than Ali. How did he estimate?
What is 335 rounds to 340. 234 rounds to 230. 340-230 is 110.
100
AR Points for our class
October: 438
November: 194
December: 302
How many points did our class get in October and November?
What is 632
100
John solves this problem. He says the difference is 282. Explain the mistake Luke made. What is the correct difference?
409
-287
____
What is he said that 0-8 is 8. The correct difference is 122.
200
Which of the number sentences shows the Associative Property of Addition? Select all that apply.
A. (8+3) + 5 = 8 + (3+5)
B. (4+4) + 2 = 2 + 4 + 4
C. 3 + (4+5) = (3+4) + 5
D. 12 + 5 = 5 + 12
What is A and C
200
Select the numbers that round to 200 when rounded to the nearest hundred. Select all that apply.
A. 256
B. 210
C. 239
D. 133
What is B and C
200
Jonah has 2 binders full of Pokemon cards. One binder has 76 cards in it. The other binder has 32 cards. How many cards are in both binders? How did you solve this?
What is 108. Solve by adding the two amounts.
200
AR Points for our class
October: 438
November: 194
December: 302
How many more points did we get in December than November?
What is 108.
200
Sam solves this problem. He says the difference is 214. Explain the mistake Sam made. What is the correct difference?
352
-148
____
What is he did not change the 5 to a 4. The difference is 204.
300
Which property is shown below?
7 + 0 = 7
What is identity property
300
Select the numbers that round to 400 when rounded to the nearest ten. Select all that apply.
A. 493
B. 497
C. 504
D. 402
What is B and D
300
Beck has 59 jelly beans. He eats 18 jelly beans. How many jelly beans does he have left? Use a number line to solve.
What is 41.
300
AR Points for our class
October: 438
November: 194
December: 302
About how many AR points did we get in the three months?
What is 940
300
Bill solves this problem. He says the difference is 171. Explain the mistake Bill made. What is the correct difference?
421
-390
____
What is he subtracts 9-2 instead of 2-9. The correct difference is 31.
400
What property is shown below?
4 + (10 + 3) = 4 + 13
What is associative property.
400
What is 456 rounded to the nearest ten and hundred?
What is 460 and 500
400
Japeth and Alex Pippin are building a car with Legos. They have 506 Legos. They use 329 to build the car. How many Legos do they have left?
What is 177 Legos.
400
Books read by students in 3rd Grade
Mrs. Kon: 238
Ms. Lusky: 204
Ms. Simons: 193
Ms. Stepanek: 428
About how many more books did Ms. Stepanek's class read than Ms. Lusky's?
What is 230 books.
400
Avery used 55+34 =89 to check her subtraction. Which math problem could she be checking?
A. 55-34=89
B. 89-34=55
C. 89+55=34
D. 89-55=34
What is B and D.
500
Using the commutative property, write the other half of the equation:
9 + 12 =
What is 12 + 9
500
Select the numbers that round to 300 when rounded to the nearest hundred. Select all that apply.
A. 238
B. 250
C. 283
D. 349
What is B, C, and D
500
There are 318 fiction books in this library. The number of nonfiction books is 47 less than the number of fiction books. About how many nonfiction books are there?
What is 270
500
Books read by students in 3rd Grade
Mrs. Kon: 238
Ms. Lusky: 204
Ms. Simons: 193
Ms. Stepanek: 428
True or False: Mrs. Kon's class read about 190 fewer books than Ms. Stepanek's class.
What is True
500
Alex Lang used 33+29=62 to check her subtraction. Which math problem could she be checking?
A. 29-33=62
B. 62-33=29
C. 62-29=33
D. 29+33=62