Rounding
Round to the nearest 10:
425
430
You collect toy cars. You round the number of toy cars you have to the nearest ten and say you have 80 cars.
Is it possible or not possible that you could have 71 cars?
Not possible
What is the number name (word form) written as a base ten numeral (number form)?
Ninety-eight thousand, four hundred two
98,402
Sam buys 2 bags of bird seed. One bag weighs 33 pounds. The other bag weighs 17 pounds. How many pounds do both bags weigh?
50 pounds
Find the sum:
893 + 289
1,182
Round to the nearest 100:
425
400
You collect toy cars. You round the number of toy cars you have to the nearest ten and say you have 80 cars.
Is it possible or not possible that you could have 82 cars?
Possible
Select the correct way to write 43,501
a. forty-three thousand, five hundred ten
b. forty-three hundred, fifty one
c. forty-three thousand, five hundred one
c. forty-three thousand, five hundred one
There are 476 fiction books in the class library. The number of nonfiction books is 28 less than the number of fiction books.
How many nonfiction books are there in the class library?
448 nonfiction books
Find the sum:
980 + 673
1,653
Round to the nearest 10 and 100:
684
Nearest 10: 680
Nearest 100: 700
You collect toy cars. You round the number of toy cars you have to the nearest ten and say you have 80 cars.
Is it possible or not possible that you could have 75 cars?
Possible
Select the correct way to write 43,501
a. 40,000 + 3,000 + 500 + 10
b. 40,000 + 3,000 + 500 + 1
c. 43,000 + 500 + 0 + 1
b. 40,000 + 3,000 + 500 + 1
There are 476 fiction books in the class library. The number of nonfiction books is 28 less than the number of fiction books.
About how many nonfiction books are there in the class library? Round to the nearest ten.
450 nonfiction books
Find the difference:
843-434
409
Select the numbers that round to 400 when rounded to the nearest hundred. Select all that apply
406 315 350 434 488
406
350
434
You collect toy cars. You round the number of toy cars you have to the nearest ten and say you have 80 cars.
Is it possible or not possible that you could have 85 cars?
Not Possible
Write the following number in expanded form: 12,908
10,000 + 2,000 + 900 + 8
In January, 403 hats were sold. In February, 297 hats were sold. In March, 172 hats were sold.
How many hats were sold in January and February?
700 hats
Find the difference:
800 - 389
411
There are 893 books in the library. To the nearest ten, how many books are in the library?
890
When you round 396 to the nearest ten and nearest hundred, you get the same answer.
Possible or not possible?
Possible (400)
Write the following in expanded and numeral form: sixty-four thousand, nine hundred fifty
64,950
60,000 + 4,000 + 900 + 50
In January, 403 hats were sold. In February, 297 hats were sold. In March, 172 hats were sold.
How many more hats were sold in February and March than in January?
66 hats
Landon solves the subtraction problem, 843-434. He says that the difference is 419.
What mistake did Landon make?
a. Regrouped 4 tens 3 ones as 3 tens and 13 ones
b. Regrouped 4 tens 3 ones as 4 tens and 13 ones
c. Regrouped 4 tens 3 ones as 3 tens and 3 ones
b. Regrouped 4 tens 3 ones as 4 tens and 13 ones