Round 7,463 to the nearest hundred.
7,500
What is the value of the digit 7 in 47,325?
7,000
Solve: 638 + 274
912
What is an obtuse angle?
An angle greater than a right angle
Write <, >, or =
5,678 ___ 5,687
<
Round 352,891 to the nearest hundred-thousand
400,000
What is the value of the digit 6 in 6,842?
6,000
Estimate: 638 + 274; To the nearest hundred
About 900
(600 + 300 = 900)
What is an acute angle?
An angle smaller than a right angle
A bakery made 145 cookies on Monday, 178 on Tuesday, and 126 on Wednesday. How many cookies did it make altogether?
449 cookies
Round 26,781 to the nearest thousand.
27,000
What place is the 9 in 39,517?
Thousands place
Solve: 745 − 318
427
What is a right angle?
An angle whose sides from a square corner, similar to an L
A class has 325 pencils. They give away 148 pencils. How many pencils are left?
177 pencils
Round 678,921 to the nearest hundred-thousand.
700,000
What place is the 4 in 64,281?
Thousands place
Estimate: 745 − 318
To the nearest hundred
About 400
(700 − 300 = 400)
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How many right angles does this shape have
4 right angles
How many feet are in 4 yards?
12 yards
Round 49,651 to the nearest thousand
50,000
What is the value of the digit 3 in 73,915?
3,000
Solve: 4,821 − 2,376
2,445
What kind of angle is this?

Obtuse
A rectangle is 12 feet long and 8 feet wide. What is its perimeter?
40 feet; 12 + 8 + 12 + 8 = 40