Which property is represented by: 11 + 25 = 25 + 11?
Commutative
+6 points
Describe the commutative property with words
You can add numbers in any order and multiply numbers in any order
- 5 points
Use the order of operations to solve:
3 + 7 * 5 - 1
37
+ 5 points
Insert parentheses to make this true.
9 * 8 - 6 ÷ 3 = 6
9 * (8 - 6) ÷ 3 = 6
-10 points
Which property is represented by: 9 + (9+0) = (9+9) + 0?
Associative
-4 points
Use the distributive property to re-write this expression
4 x 8 + 4 x 12 =
4 x (8+12)
-9 points
Insert parentheses to make this true
4 * 8 - 3 = 20
4 * (8-3) = 20
- 7 points
Use the order of operations to solve:
(8-2)2 + (8*1)2 ÷ 2
50
+ 9 points
Which property is represented by: 52 * 1 = 52?
Identity
-2 points
Give an example of the identity property
I will check your answer
-3 points
Using the order of operations, solve this equation
(3 * 3 - 3)2 ÷ 3 + 3
15
- 8 points
Ae earned $8 per hour for 4 hours babysitting, and $10 per hour for 5 hours painting a room.
What mathematical expression could we write to represent this situation?
8*4 + 10*5
+ 4 points
Use the order of operations to solve:
24 - (2*3)
10
+2 points
Complete the equation and tell which property it is.
5 + 16 = 16 + __
5, Commutative property
+1 point
use the order of operations to solve:
3-2+6*22
25
- 6 points
Describe identity property in words
The sum of 0 and any number is the number. The product of 1 and any number is the number
-1 point
Which property would you use to solve this?
20 + (63+80)
Associative and commutative. Rearrange order of addition, and change parentheses.
(20+80) + 63 = 100+63 = 163
+8 points
Use the distributive property to re-write this expression.
6 x (9 + 14) =
6 x 9 + 6 x 14
+3 points
Give an example of the commutative property
I will check your answer
+ 10 points
Describe the mistake, and correct the final answer.
6 * (9+12) = 6 * 9 +12 = 54 + 12 = 66
They didn't use the order of operations. Correct answer is 126
+ 7 points