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Biblioteka

[Week 9] - Numerical Expressions

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Posljednje ažuriranje over 5 years ago
10

Watch the video lesson below (Math Antics). Then finish the assignment.

More examples are posted below.

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Pitanje 1
1.

Simplify the expression.

27 - (3 x 4)

Pitanje 2
2.

Simplify the expression.

3 x (4 + 18)

Pitanje 3
3.

Simplify the expression.

103 - (17 x 4)

Pitanje 4
4.

Simplify the expression.

200 ÷ (17 - 9)

Pitanje 5
5.

Simplify the expression.

(36 - 22) x (12 ÷ 3)

Pitanje 6
6.

Write a numerical expression to represent the amount of money Frank has left in his account. Make sure to use parentheses.

Frank had $25 in his checking account. He withdrew $15 cash and $9 to pay a bill.

Withdraw means to take money out of a bank account.

Pitanje 7
7.

Use the table below to write a numerical expression for the given situation.

Write an expression that shows the cost of one adult admission ticket and 9 thrill ride tickets?

Pitanje 8
8.

Tammy buys three boxes of 12 chocolate pudding packs. She also buys 4 boxes of 6 vanilla pudding packs. Write an expression to represent the number of pudding packs she bought.

Pitanje 9
9.

Match the expression to the correct situation.

  • 25 − 10

  • 25 − (10 + 8)

  • (25 − 10) + 8

  • Fred catches 25 fish. Then he releases 10 fish and catches 8 more.

  • Nick has 25 pens. He gives 10 pens to one friend and 8 pens to another friend.

  • Jan catches 25 fish and lets 10 fish go.

Pitanje 10
10.

Enrique brought $30 to the mall and spent $14 on a soccer ball and $6 on lunch. Which expression represents the situation?