Let's estimate
Estimate the sum by rounding to the nearest thousand.
1,232 + 1,949 + 2,756 =
6,000
Solve: 805 +369 =
1,174
10,000 - 4,999
5,001
Find 805,100 – 722,098.
83,002
What is the answer to a subtractions problem?
The difference
Estimate the difference by rounding to the nearest ten thousand.
47,699 - 19,200
30,000
Solve: 1,232 + (1,949 + 2,756) = n
5,937
Solve: 8,632 - 729 =
7,903
Is this statement True or False. Show your Work
51,823 – 23,352 = 75,175
False, it is 28,471.
Also 50,000 - 25,000 = 25,000
What is the answer to an addition problem?
The sum
What the answer round the hundreds place value?
9,345 + 7,912
17,200
Find the sum of 59,015 and 31,973.
90,988
Find 7,000 – 4,390.
2,610
If Emerson has 5,120 Skittles and Aubrey has 6,478 Skittles, how many do they have together?
11,598 Skittles
What is a letter that represents a number in a mathematical expression?
A Variable
In 2013, Pizza Tower sold 1,145 gift cards and Pizza Pie sold 1,316 gift cards.
In 2014, Pizza Tower sold 1,096 gift cards and Pizza Pie sold 1,916 gift cards.
Round the numbers to the nearest hundred to estimate how many more gift cards were sold in 2014 than 2013.
About 600 gift cards
Solve: 100,042 + 98,117 + 120,890
What is 319,049?
Subtract 137,409 from 152,510.
15,101
Solve: 50,000 - 4,600 =
45,400
The inverse operation of subtraction is _______.
Addition
There are 3 parking lots in the city:
Main Street 1,232
Third Avenue 1,949
Corey Place 2,756
What is the estimate of the total number of parking spaces found by rounding each number to the nearest hundred?
About 5,900 parking spaces
There are 3 parking lots in the city
Main Street 1,432
Third Avenue 1,941
Corey Place 2,756
Write an equation to show the total number of parking spaces. Then, solve the equation.
1, 432 + 1,941 + 2,756 = P?
P = 6,129
What is the difference of 32,356 and 25,192?
7,164
In 2013, Pizza Tower sold 1,145 gift cards and Pizza Pie sold 1,316 gift cards.
In 2014, Pizza Tower sold 1,096 gift cards and Pizza Pie sold 1,916 gift cards.
How many more gift cards were sold in 2014 than in 2013?
551 gift cards
16,347 + 17,182 = 17,812 + 16,347
What Property is this an example of?
The commutative property