math revision

Simplify -9x + 5y + 8x - 4y.

• x - y

• -x + 9y

• 0

• -x + y

• None of the above

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Simplify - 2(3x + 1).

• -6x + 1

• 6x - 2

• -6x - 2

• -5x - 1

• None of the above

Tags

CCSS.7.EE.A.1

Simplify 2(a + 1) - (a + 2).

• 3a + 3

• a - 1

• a + 4

• a

• None of the above

Tags

CCSS.7.EE.A.1

Simplify (8p - 5q) - 2(3q - 2p).

• 3q - q

• 12p - 11q

• 4p -11q

• 8p - q

• None of the above

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

Jasir had $21.50 to spend at the store. He spent $0.55 on gum, $3.85 on pencils, and $9.84 on a book. How much money did Jasir have left after buying the gum, pencils, and book?

• $7.16
• $7.26
• $8.26
• $8.36

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Chris had 25 marbles in his collection. He gave 2/5 of his marbles away to his friends. How many marbles did Chris give away? 

• 15
• 10
• 25
• 1

Tags

CCSS.3.NF.A.1

CCSS.3.OA.A.3

CCSS.3.OA.D.8

Sam uses 1 1/4 ounces of ham on each sandwich. If he makes 4 1/2 sandwiches, how much ham will he use?

• 5
• 5 5/8
• 5 3/4
• 4 5/8

Tags

CCSS.3.MD.A.2

CCSS.3.NF.A.1

CCSS.3.OA.A.3

CCSS.3.OA.D.8

Solve: 3(x-4) = -3

• 3
• -3
• 5
• -5

Kenzie will save 15% if she opens a credit card.  She wants to buy a jacket for $120.  What will her savings be?

• $15
• $18
• $16
• $17

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

solve 3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1