Orders of Operations Review

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Presentation transcript:

Orders of Operations Review

Evaluate 43 + 12 x 5 Answer: 103

Evaluate 52 – (11- 6) x 5 Answer: 27

Evaluate 20 – 9 + (5 x 3) ÷ 5 Answer: 14

Evaluate (12 + 6) ÷ 3 Answer: 6

Evaluate 5 + (3 x 8) x 2 Answer: 53 Explain the correct order of operations and be sure to support your answer using your knowledge of orders of operations.

Subtract 7 from 15; then divide by 2 Answer: (15 - 7) ÷ 2 Read the following word expressions; then write the correct numerical expression for each. Subtract 7 from 15; then divide by 2 Answer: (15 - 7) ÷ 2

Multiply 6 and 8; then add 41 Answer: 6 x 8 + 41 Read the following word expressions; then write the correct numerical expression for each. Multiply 6 and 8; then add 41 Answer: 6 x 8 + 41

Multiply four times six; then add two times five Answer: 4 x 6 + 2 x 5 Read the following word expressions; then write the correct numerical expression for each. Multiply four times six; then add two times five Answer: 4 x 6 + 2 x 5

Write a numerical expression and a word expression for the problem below. Leslie has 20 cookies and divides them among 5 people. Then, her friend Andy gives her 3 more cookies. Numerical Expression: 20 ÷ 5 + 3 Word Expression: Divide twenty by five; then add three

Write a numerical expression and a word expression for the problem below. Jenny had 32 gummy bears. She shared them equally among herself and 3 friends. Then, Jenny found 4 more in her book bag. Numerical Expression: 32 ÷ 4 + 4 Word Expression: Divide thirty-two by four; then add four

Write a numerical expression and a word expression for the problem below. There are 3 people to take library books to the media center. Then 2 more people arrive to help. Each person carries 8 books to the media center. Numerical Expression: (3 + 2) x 8 Word Expression: Add three and two; then multiply by eight

Write an expression, and solve to find the amount of money Erik has left. Erik washes dishes and takes out the garbage for his mom. He earns $5 for each load of dishes he washes. He earns $4 for each time he takes out the garbage. On Friday, he washes 3 loads of dishes and takes out the garbage twice. On Saturday, he spent $8 of the money he earned. Expression: (3 x 5) + (2 x 4) – 8 Answer: Erik has $15 left.

Use the symbols +, -, x, or ÷ to make the equation true Use the symbols +, -, x, or ÷ to make the equation true. You may use each symbol more than once or not at all. 4 4 4= 8 Answer: 4 x 4 ÷ 4 + 4=8