Vocabulary
If a question asks you to "find the sum", what operation will you perform?
Addition
Rick has $45,836 to give to three charities. He gives one charity $12,400. How much money does Rick have left for the remaining charities?
33,436
When rounding, how do you know when to increase a number?
When the digit to the right is 5 or greater.
A bakery sold 1,353 muffins on Monday and 2,231 muffins on Tuesday. How many muffins did the bakery sell?
3,584
Find the difference:
2,654-1,321
1,333
What does "find the difference" mean?
The cost of tuition for Trent and Sam's college is $35,695.
Trent’s tuition is $15,000 per year.
How much is Sam's tuition for a year?
$20,695
What is a reasonable estimate:
12,012-6,982=
5,000
What is the sum?
63,417+22,480=
85,897
Kennedy wins 1,647 tickets. Gradyn wills 126 less. How many tickets did Gradyn win?
1,521
You can ______ an answer when you do not need an EXACT answer.
Estimate
Jasmine and Tara are saving money to buy a scooter together. So far, they have $2,482 in their bank account. Jasmine has put in $1,139. How much money has Tara put into the bank account?
$1,343
Which is a reasonable estimate for the sum of 31,732+43,812?
76,000
What is the sum?
10,252+1,298
11,550
Find the difference:
6,763-5,498
1,268
Variable
The Smith family goes on a summer road trip. They will drive a total of 1,645 miles.
They drive 580 miles and stop. They drive another 612 miles before stopping a second time.
How many miles are left to drive?
453
The Belmont bakery sells 20,334 cookies in January, 18,104 cookies in February, 23,409 cookies in March and 24,580 cookies in April.
When rounded to the nearest thousand, which two months total about 50,000 muffins?
March and April
What is the sum?
63,417+22,480=
85,897
An office building sells for $350,000. A nearby house sells for $245,000. How much more money does the office building sell for?
$104,400
To _____ means to use place value to exchange equal amounts when renaming a number.
Example: Ten 1's is equal to One 10.
regroup
Kayla needs rhinestones to make dance costumes for the recital. The blue costume needs 3,155 rhinestones. The pink costume needs 784 more rhinestones than the blue costume. The orange costume needs 1,563 fewer rhinestones than the pink costume. How many rhinestones does Kayla need?
9,470
A company logs the minutes employees use the company cell phones. In April, employees used 4,283 minutes. In May they used 4,923 minutes. What is the estimate of the combined months of minutes used?
8,000
There are many different sizes of whales. The table shows three different whales and their weights, in pounds.
Whale: Weight (pounds):
Orca 8,950
Humpback Whale 65,645
Blue Whale 292,640
Write an equation can be used to find the total weight of an orca and a blue whale? Use p for a variable in the equation.
292,640+8,950=p
A theater has 1,485 tickets to sell. They sell 691 main floor tickets and 478 balcony seat tickets. There are 184 balcony tickets still available for sale. How many main floor tickets are available?
132