Solving Expressions (Substitution)
Evaluate 6 + a When a= 3
6+ a
6 +3
9
13 subtracted from a number x
x - 13
What property is being illustrated? 3.5 * z = z * 3.5
What is the commutative property of multiplication?
Simplify the expression. 3.2 + (b + 5.7)
What is b + 8.9
The common denominator of 3/5 - 1/3 is...
Evaluate ab when a=3 and b = 5
ab
3(5)
15
5 times a number d
5d
What property is being illustrated?
(7 + 3 ) + 4 = 7 + ( 3 + 4)
What is associative property of addition
Simplify the expression. 6(10k)
What is 60k
Solve.
4/5 - 1/4 =
What is...
16/20 - 5/20
11/20
Evaluate c/d when c = 45 and d =5
c/d
45/5
9
a number t cubed
t³
What property is being illustrated?
a + 0 = a
What is the addition property of zero?
Simplify the expression. ( 21 + d ) + 9
What is d + 30
Solve.
3/8 + 5/6
What is...
9/24 + 20/24
29/24
1 5/24
Evaluate 4n - 3m when n=8 and m=5
What is 4n - 3m
4(8) - 3(5)
32 - 15
17
Write the expression. Six more than the product of 8 and a number x
What is 8x + 6?
What property is being illustrated?
r * 0 = 0
What is the multiplication property of zero?
Simplify the expression 3(7x)
What is 21x
Solve.
2/5 - 1/3
What is...
6/15 - 5/15
1/15
If g =8 evaluate 4g + 8.9
4g + 8.9
4(8) + 8.9
32 + 8.9
40.9
Write the expression and evaluate. "Fifteen more than the quotient of 24 and a number x" when x= 8
24/x + 15
24/8 + 15
3 +15
18
What property is being illustrated?
4 x 1 = 4
What is the identity property of multiplication?
Simplify the expression (0m)9
What is 0
Solve.
2 3/4 + 1 4/5
What is...
11/4 + 9/5
2 15/20 + 1 16/20 or 55/20 + 36/20
3 31/20 or 91/20
4 11/20