What is the missing number? ___ + 3 = 3 + 2
What is 2?
What is the missing number? (33+11) +9= (9+11) + ___?
What is 33?
What is the missing number? ____ + 0 = 76
What is 76?
What is the answer called for the solution to an addition problem?
Sum
What property reflects the problem? 21 + 0 = 21 property?
What is identity property?
What is the missing number? 38 + 25 = 25 + _____
What is 38?
What is the missing number? (___+24)+8= (8+12) + 24
What is 12?
What number sentence can be created using the numbers 0, 69, and 69?
What is 69 + 0 = 69?
What is a number being added to another number called?
Addend
What is the correct addition property for the following problem? 45 + 32 = 32 + 45.
What is the commutative property?
What is the missing number? _____ + 352 = 352 + 54
What is 54?
Create a problem that shows the associative property.
Look at student answers.
a number sentence that properly reflects the identity property.
Check Answers
What is the law that states one can swap numbers around and still get the same sum?
What is commutative property?
What is the correct property? (17 + 55) + 15= 17+(55+15)
What is the associative property?
Create a problem that shows the commutative property.
Check student answers.
.Create a problem showing the associative property. Use the numbers 7, 15, 3.
Look at student answers
a problem that reflects the identity property. One of the numbers must have a value of 900 in the hundreds place
Check Student Answers
What is the property that says when we add zero, the addend will remain the same?
What is Identity Property?
What property can help solve the following problem? 14 + (66 + 49)= (14 + 66) + 49
What is the associative property?
What are the number sentences that can be created using the numbers 15, 40, and 25?
What is 15 + 25 = 40 and 25 + 15 = 40
Create a problem using the associative property. Use the numbers 50, 72, 51.
Look at student answers.
Create a problem that correctly reflects the identity property. One of the numbers must have a value of 30 in the tens place.
Check student answers
What is the law that says it does not matter how we group numbers, the sum will be the same?
What is the associative law?
What property helps one to solve the following problem? 32 + 68 = ____, 100 = 68 + 32
What is the commutative property?