Worksheet: Using Properties of Addition to Add Whole Numbers and Decimals

In this worksheet, we will practice using the commutative and associative properties to add whole numbers and decimals mentally.

Q1:

Find the missing number: .

Q2:

. What is ?

Q3:

Evaluate using the commutative and associative properties.

Q4:

Matthew saved 915 piastres in the first month, 940 piastres in the second month, and 985 piastres in the third month. How much did he save in total?

Q5:

Noah saved 815 piastres in the first month, 785 piastres in the second month, and 825 piastres in the third month. How much did he save in total?

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