Addition/Subtraction
(-5) + 8 - 3
0
(-3/4) ÷ (2/5)
-15/8
or
-1 7/8
Would making a withdraw from your bank make your balance go up or down?
Down.
Rewrite using addition:
-7 - 5 = ?
A) -7 + 5
B) -7 + (-5)
C) 7 + 5
D) 7 - 5
B) -7 + (-5)
(3/4) + (2/5)
23/20
or
1 3/20
(7/8) × (-4/3)
-7/6
or
-1 1/6
The temperature changed over four days as follows: +4, -2, ?, +5.
The total change over the four days was +8.
What is the missing change?
1
Rewrite using addition:
4 - (-6) = ?
A) 4 + 6
B) 4 - 6
C) -4 + 6
D) -4 - 6
A) 4 + 6
(-7) + 2 + (-5) + 6
-4
(-2 1/3) ÷ (7/9)
-3
A bank account had the following changes over a week: +$12.50, -$3.50, ?, +$7.00.
The total change for the week was +$20.00.
What is the missing change?
$4.00
Rewrite using multiplication:
-2/3 ÷ 4/5 = ?
A) -2/3 × 4/5
B) -2/3 × 5/4
C) 2/3 × 5/4
D) -4/5 × 2/3
B) -2/3 × 5/4
(-2 1/3) + (1 3/4)
-7/12
(1 3/4) × (-6/7)
-3/2
or
-1 1/2
The temperature changed over five days as follows: +3, ?, -2, ?, +4.
The total change for the five days was -7.
List one possible pair of missing changes.
-5 and -7
or
Any numbers that total -12
Which fraction is equivalent to -2/3?
A) 2/-3
B) 2/3
C) -2/-3
D) -3/2
A) 2/-3
(-1 1/2) + (2 1/8) + (-3/4)
-1/8
(-5/6) x (-3 - 4)
35/6
or
5 5/6
A bank account had the following changes over five days: -$10.75, ?, -$3.25, ?, +$7.40.
The total change for the week was +$21.60.
Find one possible pair of missing changes.
$6.60 and $21.60
or
Any numbers totaling to $28.20
Rewrite using multiplication:
-9 ÷ (-3/2) = ?
A) -9 × 3/2
B) -9 × -2/3
C) 9 × -2/3
D) -9 ÷ 2/3
B) -9 × -2/3