Properties of Addition
Name the property shown below.
4,395 + 0 = 4,395.
What is identity property of addition?
Estimate the following subtraction problem:
5,824 - 2,305 = ?
What is 6,000 - 2,000 = 4,000 ?
Estimate the following addition problem:
5,824 + 2,305 = ?
What is 6,000 + 2,000 = 8,000?
Solve the following problem. Use estimation to check your answer.
9,482 - 5,301 =
What is 4,181?
Solve the following problem. Use estimation to check your answer.
6,402 + 9,031 =
What is 15,433?
Name the property shown below.
5 + 6,039 + 10 = 5 + 10 + 6,039
What is the commutative property of addition?
Use estimation to solve:
14,290 - 309 = ?
What is 14,300 - 300 = 14,000?
Use estimation to solve:
14,290 + 309 = ?
What is 14,300 + 300 = 14,600 ?
Solve the following problem. Use estimation to check your answer.
83,021 - 9,411
What is 73,610?
Solve the following problem. Use estimation to check your answer.
5,301 + 48,596
What is 53,897?
Name the property shown below.
4,932 + 20 + 8,301 = 4,932 + (20 + 8,301)
What is the associative property of addition?
Round to the greatest common place to solve:
6,305 - 592 = ?
What is 6,000 - 600 = 5,400 ?
Round to the greatest common place to solve:
48,305 + 3,292 = ?
What is 48,000 + 3,000 = 51,000 ?
Solve the following equation. Use estimation to check your answer.
53,968 - 6,039 =
What is 47,929?
Solve the following problem. Use estimation to check your answer.
80,994 + 74,920 =
What is 155,914?
Name the property(s) you can use to solve the problem below.
7,300 + 5,332 + 100
What is the commutative property and the associative property?
5,332 + (7,300 + 100)
Apple sold 11,305 computers this year. Another company sold 4,601 computers this year. About how many computers did apple sell than the other company?
What is 11,000 - 5,000 = 6,000 ?
Use estimation to solve the equation:
90,391 + 493 = ?
What is 90,000 + 500 = 90,500?
A candy factory started out with 80,000 boxes of chocolates. They sold 3,952 boxes. How many did they have left over?
What is 76,048 boxes?
Solve the following problem. Use estimation to check your answer.
64,083 + 4,023 + 10,007 =
What is 78,113?
*** DOUBLE JEOPARDY ***
Mrs. Warwick used different properties to rewrite the equation below. Select all the equations Mrs. Warwick might have written.
50 + 320 + 525
a. 525 + 50 + 320 = n
b. 50 + 525 + 0 = n
c. (50 + 320) + 525 = n
d. 525 + 320 + 50 = n
e. 50 + (320 + 525) = n
What is a, c, d, and e?
Use estimation to solve:
24,952 - 5,039 = ?
What is 25,000 - 5,000 = 20,000?
Use estimation to solve:
64,038 + 48,301 + 2,391 =
Violet decided to save bottle caps to make into a bench. The company needs 100,000 bottle caps. Violet only has 38,394 caps. How many more does she need to collect?
What is 61,606?
The shoe factory decided to total the number of shoes they sold at two different stores in five years. The first store sold 703,924 shoes and the second store sold 593,098 shoes. How many shoes did the stores sell altogether?
What is 1,297,022 shoes?