Identify the property for the following problem.
9 + 0 = 0 + 9
a. Commutative Property of Addition
b. Associative Property of Addition
c. Additive Identity Property of 0
c. Additive Identity Property of 0
100
876 - 384 =
492
100
457 + 54 + 365=
876
100
Round 4,567 to the nearest hundred.
4,600
100
Which of the following is the inverse of 765 – 54 = 711?
A. 765 – 711 = 54
B. 711 + 54 = 765
C. 765 + 54 = 819
B 711 + 54 = 765
200
Identify the property for the following problem.
17 + 18 = 35 so 18 + 17 = 35
a. Commutative Property of Addition
b. Associative Property of Addition
c. Additive Identity Property of 0
A. Communative Property of Addition
200
6, 472 - 2,799 =
3673
200
3,294 + 3,045=
6339
200
Round 672 to the nearest ten.
670
200
Which of the following is the inverse of 27 + 87 = 114?
A. 114 -27 = 87
B. 114 + 27 = 141
C. 87 - 27 = 60
A. 114 - 27 = 87
300
Is this an example of the Communitive Property?
7 + (9 + 4) = 20 so (7 + 9) + 4 = 20
No!
300
Round each number to the nearest hundred and then subtract.
3,888 - 1,345 =
3,888 rounds to 3,900
1,345 rounds to 1,300
3,900 - 1,300 = 2,600
300
The donut shop in Byram sold 569 glazed donuts and 429 chocolate donuts last week. About how many glazed and chocolate donuts did the donut shop sell?
A. 1,000
B. 900
C. 950
D. 850
A. 1,000
300
Round each number to the nearest ten and then subtract.
789 - 254 =
789 rounds to 790
254 rounds to 250
790 - 250 = 540
300
Which of the following is the inverse of 43 - 27 = 16?
A. 27 - 16 =11
B. 27 + 16 = 43
C. 43 - 16 = 27
B 27 + 16 = 43
400
Is this a model of the Associate Property?
(25 + 10) + 5 = 40 so 25 + (10 + 5) =40
Yes!
400
There were 77 people at Walmart. There were 38 people at Kroger. About how many more people were at Walmart than at Kroger?
77 rounds to 80
38 rounds to 40
There were about 40 more people at Walmart than at Kroger.
400
On Sunday, Mrs. Ezelle ran 14 miles.On Tuesday, she ran 13. On Thursday, she ran 9 miles. How many miles did Mrs. Ezelle run in all?
Mrs. Ezelle ran 36 miles. Go Mrs. Ezelle!
400
Round to the nearest hundred to estimate the following difference.
5,642 - 355 =
5, 642 rounds to 5,600
355 rounds to 400
5,600 - 400 = 5,200
400
Which of the following is the inverse of 59 + 22 = 81?
A. 22 + 59 = 81
B. 81 - 22 = 59
C. 59 - 22 = 37
B. 81 - 22 = 59
500
Jayden wrote a number sentence to show that it does not matter which group of numbers is added first.
Which number sentence could be the sentence that Heidi wrote?
A. 9 + (4 + 5) = (9 + 4) + 5
B. (9 + 4 + 5) = 9 + 4 + 3
C. (9 + 4) = (3 + 9)
D. (9 + 4) = (4 + 5)
A. 9 + (4 + 5) = (9 + 4) + 5
500
At GRI, there are 422 students in the 3rd grade. There are 347 students in 4th grade. About how many more students are in 3rd grade than in 4th grade?
422 rounds to 400
347 rounds to 300
400 - 300 =100
500
Eli runs 5 miles a day Monday through Wednesday. How many miles does he run altogether?
15 miles
500
Which of the following should you use to estimate 768 + 240 to the nearest hundred?
A. 700 + 200
B. 800 + 200
C. 800 + 300
B 800 + 200
768 rounds to 800
240 rounds to 200
500
Oops! Not an inverse problem :)
Mrs. Brown drove 3,456 miles in January. She drove 2,657 in February and 1,899 in March. How many more miles did Mrs. Brown drive in January than in March?
Mrs. Brown drove 1557 more miles in January than in March.