substitution of algebraic expressions

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Tags

CCSS.6.EE.B.7

the sum of fifty-two and a number

• n-52
• 52 + n
• 52/n
• 52n

Tags

CCSS.6.EE.A.2A

Solve the equation:
4p = 16

• p = 12
• p = -12
• p = -4
• p = 4

Tags

CCSS.6.EE.B.7

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

• 5
• 6
• 8
• 10

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
3ab

• 10
• 12
• 15
• 36

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

• 5
• 6
• 8
• 10

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

• 5
• 6
• 8
• 10

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
y + x – z     

• -5
• -3
• 3
• 5

Tags

CCSS.6.EE.A.1

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Tags

CCSS.6.EE.A.2C

Evaluate 4y  if       y = 3

• 7
• 12

Tags

CCSS.6.EE.A.2C