Place Value and Rounding
What is the value of the digit 7 in the number 4,176,592?
70,000
29 x 15
435
If you want to estimate the sum of 748 + 1,259, what numbers might you round each addend to?
700 + 1300 = 2000
or
700 + 1200 = 1900
Veer has 1,813 taffy apples for the Fall Fest. He puts them equally into 7 boxes. How many taffy apples will per box?
259 taffy apples
189 divided by 4
47 and 1/4
Round 23,498 to the nearest thousand.
23,000
86 x 54
4,644
Is 978 closer to 1,000 or 900? Why?
1,000 since 78 rounds to another 100 and 900 plus 100 is 1,000
Alicia wants to buy 3 items priced at $5.89. What bill should she can hand the cashier to pay for the items with as few bills as possible and getting the least amount of change? ( a $100, $50, $20, $10, $5, $1) Explain how you got your answer.
$20 bill since 5.89 rounds to $6 and 3 x $6 is $18 and next highest bill is a $20 bill
575 divided by 14
44r 3
Round 5,349 to the nearest hundred.
5, 300
769 x 38
29,222
1659 divided by 23
1600 divided by 20 is 80
A bag of dog food contains 43 pounds of kibble. If a dog eats 2 pounds per day, how many days will the bag last?
21 days and half of the 22nd day- buy another bag before dinner time!
What is 156 ÷ 12?
13
What is 0.462 rounded to the nearest tenth?
0.5
438 x 58
25,404
Estimate 3,389 ÷ 16
3200 ÷ 16 = 200
If each cabin has beds for 34 campers, and 23 cabins are fully filled with campers, how many campers are sleeping in a cabin?
782 campers
Divide 5,832 by 9
648
If you round 78,254 to the nearest ten thousand, what do you get?
80,000
Multiply 1,237 × 46
56,902
Estimate 5, 514 divided by 82 using friendly numbers. Tell what numbers you estimated the dividend and divisor to.
82 rounds to 80 and 5514 should round up to 5600 since the fact family 80 x ? =5600 is easy mental math knowing that 8 x 7 = 56 so here the answer would be 700.
Rasheed needs $479 to buy a bike. If he earns $18 per car wash, how many cars must he wash?
27 cars
If 9 × ? = 567, what is the missing number?
63