Round Nearest 10
•Round 543 to the nearest 10.
What is 540?
•Round 672 to the nearest 100.
What is 700?
•Add 364 + 145
What is the sum?
A.519
B.509
C.609
D.619
What is 509?
•Subtract.
352 - 111= ________
What is 241?
•What is the value of the 4 in 1, 647?
A.4
B.40
C.400
D.4,000
What is 40?
Round 655 to the nearest 10.
•Which of the following numbers, when rounded to the nearest 100, would be 400?
A.335
B.350
C.455
D.349
What is 350?
•Using Break Apart, find the sum.
438 + 151
What is 589?
•Subtract. Use any method.
345 - 127= ______
What is 218?
The numbers below are listed in order from greatest to least.
2,356 2,333 ________ 2,115
Which of the following numbers is missing?
A. 2,410 B. 2,345 C. 2,220 D. 2,110
What is 2,220?
•Jason wants to buy 277 pencils for his new class. Pencils come in packs of 10, so he must round the number to the nearest 10. How many pencils will he need to buy?
What is 280 pencils?
•Round 229 to the nearest 100.
What is 220?
•Add 125 + 37 using a number line.
What is 162?
Amy collected 436 stamps. Her grandmother took 230 stamps to mail thank-you cards. How many stamps does Amy have left? Show how you solved the problem.
What is 206 stamps?
The balloon artist at the fair sold 253 balloons. Of those, 129 were monster heads. How many balloons were not monster heads?
What is 124 balloons?
•A cheetah ran 54 miles. About how many miles did the cheetah run?
What is 50 miles?
•Suzy wants to buy a new television for her room. It costs 779 dollars. What is the cost of the television, rounded to the nearest 100?
What is $800?
•Johnny has 228 crayons in his box. His sister gave him 34 more crayons. How many total crayons does he have now?
What is 262?
When you subtract one of these numbers from 600, the answer is greater than 300. Which number is it?
A. 275 B. 318 C. 410 D. 375
What is 275?
At the recycling fair, 193 glasses of orange juice and 270 glasses of lemonade were sold. How many more glasses of lemonade were sold than glasses of orange juice?
What is 77?
•Ms. Johnson drives about 30 miles to school each morning, when rounded to the nearest 10 miles. What distance, other than 30 miles could have been the actual distance of her drive?
What is •25, 26, 27, 28, 29, 31, 32, 33, 34 miles?
•What is the greatest number that rounds to 400?
A.350
B.399
C.449
D.450
What is 449?
•Write 6,789 in expanded form. Break it apart.
What is 6,000 + 700 + 80 +9
For the recycling project, Ben's class collected 192 glass bottles and 340 plastic bottles. How many more plastic bottles did they collect than glass bottles?
What is 148?
On the last day of summer vacation, 257 children and 145 adults went to a concert. How many people went to the concert?
A. 302 B. 392 C. 402 D. 492
Cindy chose A as the correct answer. How could she get that answer?
What is 402?
What is Cindy forgot to regroup?