Vocabulary
The _______________ states that addends can be regrouped and the sum remains the same.
What is the Commutative Property of Addition?
When asked to find the difference, you are completing what mathematic operation?
What is subtraction?
Solve the following:
678 + 253 = ???
What is 931?
Solve the following:
167 - 79 = ???
What is 88?
Find the difference.
52,000 - 23,256 = ???
What is 28,744?
These equations are using ___________ Property of Addition?
(3 + 2) + 8 =
3 + (2 + 8) =
(3 + 2) + 8 = 3 + (2 + 8)
What is the Associative Property of Addition?
Estimate the sum:
63,526 + 25,038 = ???
What is 89,000?
Solve the following:
129 + 587 = ???
What is 716?
When do you need to regroup?
What is when you need to borrow from your neighbor?
Find the difference.
11,246 - 9,489 = ???
What is 1,757?
A symbol or letter that stands for a number is a ___________________.
What is a variable?
Estimate the sum or difference:
9,668 - 2,489 = ???
What is 7,200?
Add the following by using partial sums:
358 + 277 = ???
What is 500 + 120 + 15 or 300 +200 + 50 + 70 + 8 + 7 = ???
What is the difference?
724 - 469 = ???
What is 265?
Find the sum.
101,001 - 8,915 = ???
What is 92,086?
Operations that can undo each other are _____________________.
What is inverse operation?
Ms. Yoo says she is 61 inches tall.
About how many feet tall is she? Remember, 12 inches are in 1 foot!
Solve the following using standard algorithm:
565 + 694 = ???
What is 1,259?
Solve the following:
525 - 267 = ???
What is 258?
True or False: The following equations are correct
64,002 - 43,178 = 20,934
98,000 - 59,214 = 38,786
5,000 - 1,856 = 3,244
What is false?
2 + 0 = 2
153 + 0 = 153
59 + 0 = 59
What are TWO names for this property of addition?
What is Identity Property of Addition and Zero Property?
Last week, Mallory flew two round trips. They were 3,720 miles and 5,985 miles. Which is the best estimate of the total distance Mallory flew?
What is 9,700 miles?
What is the missing digit in the addition problem?
3?5
+ 659
_______
1,014
What is 5?
Mr. Prenenski took a vacation to the Bahamas. It is 1,052 miles away from New Jersey.
If he drove 732 miles and flew the rest, for how many miles was he on an airplane?
10,000 - 2,351 = ???
Show your work!
What is 7,649?