Page 72 - TB_5B
P. 72
2 . Evaluate each expression using the order of operations.
21.8 4 1.5 2.6 = 5.45 3.9 a. 36.75 2.1 1.8 6
= 9.35
33.4 19.82 5.6 2 = 33.4 25.42 2 b. 5 4.03 1.156) 24.596
= 33.4 12.71
= 20.69
Order of operations for whole numbers and decimals.
1. Perform operations in the parentheses first.
2. Clear exponents.
3. Multiply or divide from left to right.
4. Add or subtract from left to right.
Order of operations for decimals is the same for whole numbers.
23. Say Goodbye to Decimals! 61
21.8 4 1.5 2.6 = 5.45 3.9 a. 36.75 2.1 1.8 6
= 9.35
33.4 19.82 5.6 2 = 33.4 25.42 2 b. 5 4.03 1.156) 24.596
= 33.4 12.71
= 20.69
Order of operations for whole numbers and decimals.
1. Perform operations in the parentheses first.
2. Clear exponents.
3. Multiply or divide from left to right.
4. Add or subtract from left to right.
Order of operations for decimals is the same for whole numbers.
23. Say Goodbye to Decimals! 61
