6th grade staar review - equivalent expressions

x + x + x + x =

• x
• x + 4
• x - 4
• 4x

five less than x

• 5 + x
• x/5
• x - 5
• 5 - x

Which expression is equivalent to 4(x + 6)?

• 4x + 6
• 4x + 24
• x + 24
• 10x + 24

Which expression is equivalent to 6(2x - 3)?

• 12x - 3
• 8x -9
• 8x - 18
• 12x - 18

Which expression is equivalent to 7(3a + 4b)?

• 21a + 28b
• 10a + 11b
• 21a + 4b
• 10a + 28b

Which expression is equivalent to 12(5 - 4x)?

• 12x
• 17 - 16x
• 60 - 48x
• 60 - 4x

Tags

CCSS.6.EE.A.4

Choose the equivalent expression for the given expression: 2(r + y)

• 3ry
• 2r + y
• 2r + 2y
• 3r + 3y

An algebraic expression is an expression that _______________________.

• contains only numbers
• contains numbers, variables, and operations
• contains only numbers and operations
• contains only variables

Which two expressions are equivalent?

• 45 / (3 + 6) and (3 + 6) / 45

• 4 + (1 + 5) and (4 + 1) + 5

• 3(4 + 2) and 12 +2

• 3 x (1 + 4) and (3 x 1) + 4

Which expression is equivalent to 4(2 + 5)?

• 4 + (2 x 5)

• 8 + 5

• 42 + 5

• (2 + 5) x 4