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

Q1:

Find the missing number: 8 8 0 + 6 2 0 7 = + 8 8 0 .

Q2:

1 8 4 + 7 6 7 = 9 5 1 . What is 7 6 7 + 1 8 4 ?

Q3:

Evaluate 2 7 + 2 9 + 7 3 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?