Integers & Opposites
What is the opposite of –7?
Is -3/4 a rational number?
Yes
4+(–3)
1
–3×4
-12
A submarine descends 15 ft, then ascends 10 ft. What is the net change in depth?
-5ft
Absolute value of –12
12
Write 5/8 as a decimal
0.625
–5+9
4
5×(–2)
-10
The temperature is –8 °C, then drops 5 °C. What is the new temperature?
-13
n + (–n)
0
Does 1/3 in decimal form terminate or repeat
Repeats
–2.5+3.7
1.2
–4×(–6)
24
You owe $12.50, then pay $7.25. What’s your remaining balance?
-5.25
5 units to the right of 0 is
5
Convert –2.25 into a fraction
-9/4
7–(–4)
11
12÷(–3)
-4
A hiker goes from elevation –50 m to +80 m. How much did they climb?
130m
From –3 move 8 units right
–3 + 8 = 5
Name one rational decimal between 1.5 and 1.6.
Examples 1.52,1.53 etc
–6.8+(–2.3)
-9.1
–3.5×2.2
-7.7
A machine loses 2.5 units/hour for 4 hours. What is the total change?
10 units