Rounding Numbers
Round 487,652 to the nearest ten, hundred, thousand, ten thousand, AND hundred thousand.
Nearest 10 → 487,650
Nearest 100 → 487,700
Nearest 1,000 → 488,000
Nearest 10,000 → 490,000
Nearest 100,000 → 500,000
A rectangular playground measures 12 yards by 5 yards. What is its area?
60 yards
Is 12 prime or composite?
Composite
It takes Allison 17 minutes to get to school. Matthew takes twice as long. If Matthew leaves at 7:05 AM, when will he arrive?
7:39 AM
A teacher buys 6 boxes of crayons. Each box contains 24 crayons. How many crayons did she buy?
144 crayons
Round 7,852 to the nearest ten.
7,850
A rectangle has a length of 10 meters and width of 6 meters. What is its perimeter?
32 meters
What makes a number composite?
It has more than two factors.
MJ reads for 15 minutes and then plays basketball for 54 minutes. He finishes basketball at 12:25 PM. When did he begin reading?
11:16 AM
4x6=19+3? Explain
No. 24 is not equal to 22
Round 4,501 to the nearest thousand.
5,000
Can two rectangles have the same area but different perimeters?
Yes
What makes a number prime?
It has exactly two factors: 1 and itself.
A trip begins at 9:15 AM and lasts 2 hours 30 minutes. What time does it end?
11:45 AM
78x9=?
702
Round 5,923 to the nearest thousand.
6,000
A rectangle has an area of 36 square units and width of 4 units. What is its length?
6 units
What are the factor pairs of 18?
1 × 18, 2 × 9, 3 × 6
Anthony biked 73 miles. John biked twice as many miles plus another 16 miles. How many miles did John bike?
162 miles
A game costs $100.98. You have $85.50. How much more money do you need?
$15.48
What digit should you look at when rounding 6,347 to the nearest hundred?
The tens digit (4)
Which measures the amount of space inside a shape: area or perimeter?
Area
Is 25 prime or composite?
Composite; 1 × 25 and 5 × 5
A family drives 45 miles in the morning and 38 miles in the afternoon. How far did they travel altogether?
83 miles
48 ÷ ___ = 6
8