Unit 2 - Algebraic Reasoning

6

• Prime

• Composite

Tags

CCSS.4.OA.B.4

7 is a ________ number.

• prime
• composite

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 3
• 7
• 9
• 11

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 2
• 11
• 13
• 18

Which operation is evaluated first?
7 - 8 + 23

• subtraction
• addition

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which operation is evaluated first?
72 ÷ 9 x 4

• multiplication
• division

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

5 x (7 -2) + (8+1)

• 70
• 77
• 42
• 34

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

True or false:
Addition ALWAYS comes before subtraction.

• True
• False

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Patricia charges $12 to rake the yard. She also charges $5 per hour to bag the piles of leaves for 2 hours.

• 12 + 5 + 2

• 12 X (5 X 2)

• $12 + ($5 × 2)

• (12 + 5) X 2

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6