Algebraic Expressions - Substitution

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.2

CCSS.6.EE.B.6

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

Evaluate -2x  if     x = 10

• -8
• 20
• -20

Tags

CCSS.6.EE.A.2C

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

• 7
• 8
• 9
• 6

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

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

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

3x + 8   if x = 2

• 13
• 14
• 15
• 16

Tags

CCSS.6.EE.A.2C

Evaluate expression if a=3

18 ÷ 2a

• 3

• 6

• 27

• 9

Tags

CCSS.6.EE.A.2C