In this worksheet, we will practice identifying the properties of addition we use when adding and use them to solve problems with numbers up to 20.

Q1:

What property is illustrated in the equation ?

• AIdentity property
• BCommutative property
• CAssociative property

Q2:

Pick the expression we get when we use the commutative property of addition with the expression .

• A
• B
• C
• D

Q3:

What property is illustrated in the equation ?

• AAssociative property
• BCommutative property
• CIdentity property

Q4:

Which equation shows the commutative property of addition?

• A
• B
• C
• D

Q5:

What property is illustrated in the equation ?

• AIdentity property
• BAssociative property
• CCommutative property

Q6:

Fill in the blank: .

Q7:

Which equation shows the associative property of addition?

• A
• B
• C
• D

Q8:

Pick the expression we get when we use the associative property of addition with the expression .

• A
• B
• C
• D

Q9:

Which equation shows the identity property of addition?

• A
• B
• C
• D

Q10:

Fill in the blank: .

Q11:

Check if the equal sign has been used correctly in . Are the two sums equal?

• ANo
• BYes