Place Value
What place value is the 6 in?
4,556
The one's place
Round this number to the nearest 10.
17
20
499
500
Name a symbol that can be used to represent the unknown.
?
square
x
a
b
90 + 9 =
100
What is the value of the 10's spot?
877
70
Round this number to the nearest 10.
591
590
Round to the nearest 100.
1,340
1,300
Solve for the unknown.
15 + ? = 32
17
Estimate the sum:
73+25
70+30=100
Where does the comma go in this number?
77889
In between 7 and 8.
77,889
Round this number to the nearest 10.
1,245
1,250
Round to the nearest 100.
69
100
Solve for the unknown.
? x 12 = 36
3
If Katy has 13 coins, John has 19 and Stephanie has 22, estimate the sum of all their coins.
10+20+20= 50 coins
Write this number in expanded form.
3,123
3,000 + 100 + 20 + 3
Jill is buying oranges at the store for her school. She buys 137 oranges. Round up to the nearest 10. About how many oranges did she buy?
140
Round to the nearest 100
1,995
2,000
Write a sentence for the unknown. Then solve.
Carson needs a total of 272 dollars to buy the new nintendo switch. He already has 150 dollars saved up. How much more money does he need.
150 + ? = 272
$122
What did Carol do wrong while estimating the sum?
17+34=
10+30=40
She needs to round 17 to 20 and 34 to 30. The answer is 20+30=50
What did Sheila do wrong when writing this number:
Five Thousand and two.
5,202.
She didn't put a zero in the hundreds and tens place.
5,002
Ellen needs to buy enough pencils for everyone in Third grade. There are 3 classes. Each class has 12 students. Rounding to the nearest 10, about how many pencils should she buy?
40
2,455 people live in clinton township. Rochester has 1,400 people less than Rochester. To the nearest 100 how many people live in Rochester
1,100 people
There are a total of 54 kids on the field trip. These students are broken up into 9 equal groups. How many students are in each group.
9 x ? = 54
6 students
Estimate the Sum. Round to the nearest 100 to solve.
133+1,566
100+ 1,600= 1,700