order of operation B

PEMDAS only works if....

• You add then subtract
• You subtract then add
• add or subtract right to left
• add or subtract left to right

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

(10 + 33 - 3) ÷ 8

• 13
• 3
• 5
• 11

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

(9 + 39) ÷ (11 - 5) = 

• 17
• 14
• 9
• 8

Tags

CCSS.6.EE.A.2C

10 + 45 ÷ 9 -(14 ÷ 2)  = 

• 9
• 8
• 53
• 18

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What would be the 2nd step in solving this problem: 
(4 - 2) + 9 ∘ 7

• multiplication
• subtraction
• addition
• dividing

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the first step in solving this problem:
-2 ⋅ (3 + 8 ÷ 4)²

• multiplication
• addition
• division
• subtraction

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

Tags

CCSS.6.EE.A.1

40 - 2⁴ + 8

• 40
• 32
• 24
• 42

Tags

CCSS.6.EE.A.2C

True or False
5 + 3 + 2 * 5 = 50

• True
• False

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Find and explain the mistake.    
 5 - 3 + 2   = 5-5 = 0

• You did the subtraction wrong
• You did the addition first, but should have done the subtraction first.
• The additon is correct, but the subtraction is wrong.
• There is no mistake.

Tags

CCSS.7.NS.A.1D