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1. Use the correct order of operations to solve the problem below.
2 + 10 ÷ 2
2. Use the correct order of operations to solve the problem below.
48 - 2 × (4 + 2)
3. Use the correct order of operations to solve the problem below.
18 - 2 + 2 - 8 ÷ 4
4.
Add 6 and 9. Then, multiply by 3.
Which of the following expressions matches the statement above?5.
Add 6 and 7. Then, subtract 3.
Which of the following expressions matches the statement above?6.
Divide 21 by 3. Then, subtract 8.
Which of the following expressions matches the statement above?7.
(29 × 40) + 200
Which of the following is true about the expression above?8. Simplify the following expression.
108 - 4[17 - (2 + 10)]
9. Simplify the following expression.
94 - 5[20 - (3 + 5)]
10. Simplify the following expression.
93 + 4[14 - (2 + 7)]
1. Order of Operations:
1. Parentheses or Brackets from the inside out.
2. Multiplication and Division from left to right.
3. Addition and Subtraction from left to right.
2 + 10 ÷ 2 | = | 2 + 5 |
= | 7 |
2. Order of Operations:
1. Parentheses or Brackets from the inside out.
2. Multiplication and Division from left to right.
3. Addition and Subtraction from left to right.
48 - 2 × (4 + 2) | = | 48 - 2 × 6 |
= | 48 - 12 | |
= | 36 |
3. Order of Operations:
1. Parentheses or Brackets from the inside out.
2. Multiplication and Division from left to right.
3. Addition and Subtraction from left to right.
18 - 2 + 2 - 8 ÷ 4 | = | 18 - 2 + 2 - 2 |
= | 16 + 2 - 2 | |
= | 18 - 2 | |
= | 16 |
4. Parentheses show which operation should be done first.
In the statement, addition is to be done first.
"Add 6 and 9." | (6 + 9) | |
"Then, multiply by 3." | 3 × (6 + 9) |
5. In the statement, addition is to be done first.
"Add 6 and 7." | 6 + 7 | |
"Then, subtract 3." | 6 + 7 - 3 |
6. In the statement, division is to be done first.
"Divide 21 by 3." | 21 ÷ 3 | |
"Then, subtract 8." | 21 ÷ 3 - 8 |
7. In the given expression, 200 is being added to (29 × 40).
Therefore, the given expression is 200 more than (29 × 40).
8. Order of Operations:
1. Parentheses or brackets from the inside out
2. Multiplication and division from left to right
3. Addition and subtraction from left to right
108 - 4[17 - (2 + 10)] | = | 108 - 4[17 - 12] |
= | 108 - 4[5] | |
= | 108 - 20 | |
= | 88 |
9. Order of Operations:
1. Parentheses or brackets from the inside out
2. Multiplication and division from left to right
3. Addition and subtraction from left to right
94 - 5[20 - (3 + 5)] | = | 94 - 5[20 - 8] |
= | 94 - 5[12] | |
= | 94 - 60 | |
= | 34 |
10. Order of Operations:
1. Parentheses or brackets from the inside out
2. Multiplication and division from left to right
3. Addition and subtraction from left to right
93 + 4[14 - (2 + 7)] | = | 93 + 4[14 - 9] |
= | 93 + 4[5] | |
= | 93 + 20 | |
= | 113 |