NJSLA Review Day 3: Algebra (Expressions, Equations, Variables)

The sum of a number and 12

(a)  

Tags

CCSS.6.EE.A.2A

20 less than x

(a)  

Tags

CCSS.6.EE.A.2A

six times the number of girls
Let g = number of girls

• 6 + g
• 6g
• g - 6

Tags

CCSS.6.EE.A.2A

7 divided by c

• c/7
• 7/c

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CCSS.6.EE.A.2A

12a-5a

(a)  

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CCSS.7.EE.A.1

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13
• 6x + 2y + 2
• 25x + 2y + 3
• x + 7y + 12

Tags

CCSS.7.EE.A.1

3(4+3r)

• 12+9r
• 7+6r
• 12+5r

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CCSS.6.EE.A.3

Factor completely: 16 + 24x

• 8 ( 2 + 3x)

• 4 ( 4 + 7x)

• 8 ( 2 - 3x)

• 6 ( 4x + 3)

Tags

CCSS.7.EE.A.1

The area of Hank's farm is 56 acres. The area of Hank's farm is 8 times as large as the area of Stan's farm. If Stan's farm is s acres large, write an equation to represent the situation.

• 56 = n - 8

• 8s = 56

• 8n = 56

• 56n = 8

Tags

CCSS.HSA.CED.A.3

Rita has b markers. Sandy has 11 fewer markers than she has. Sandy has 5 markers. Write an equation to represent the situation.

• 11 ÷ s = 5

• b + 11 = 5

• b - 11 = 5

• 5b = 11

Tags

CCSS.HSA.CED.A.3