Numerical Expressions and Order of Operations

Evaluate the expression 4 × (7 - 3)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

An expression is described in words. 

“Subtract 7 from 18, triple the difference, then add two sixths” 

Which numerical expression best represents the phrase above? 

• (7 - 18) × 3 + 2 

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Abigail is 12 years old.  Her cousin Fortuna is 7 years younger than double Abigail’s age. 

Choose the numerical expression that represents Fortuna’s age. 

• (2 × 12) - 7 

• 12 × 7 - 2 

• (12 × 7) - 2 

• 2 × (12 - 7) 

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which of the following statements describes the following expression? 

2 + 4 × 5  

• Five times the sum of two and four 

• The sum of two and four groups of five 

• Two and four added five times 

• The total of two, four, and five combined 

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Insert parentheses to make the following equation true. 

 

2 × 14 - 7 + 12 = 26 

• (2 x 14) - 7 + 12

• 2 x (14 - 7) + 12

• 2 x 14 - (7 + 12)

• None of the above

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

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CCSS.7.NS.A.3

Which of the following expressions have a value of 36? 

 

Select All That Apply 

• 6 × 6 - 6 + 6

• 6 × 7 - 4 + 2

• 6 × 7 - (4 +2)

• {2 + 4} × 6

• (8 - 1 +1) × 6

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

In which step does the first mistake appear?

• Step 1

• Step 2

• Step 3

• They solved correctly.

Tags

CCSS.7.NS.A.3