adding integers
-3+7
4
8-12=
-4
Are the signs in −4 + (−6) the same or different? What is the sum?
Same; −10
−2.5 + 4.5 = ?
2
You have $10 and spend $14. What is your balance?
-4
-6+(-5)
-11
5-(-3)=
8
Are the signs in −9 + 12 the same or different? What is the sum?
Different; 3
−3.2 + (−1.8) = ?
−5
The temperature is −3°C and rises 8°C. What is the new temperature?
5°C
-12+8=
-4
-7-4=
-11
Are the signs in 7 + (−15) the same or different? What is the sum?
Different; −8
6.5 − (−2.5) = ?
9
A diver is at −6 feet and descends another 4 feet. What is the new depth?
-10 feet
-15+(-9)=
-24
-9-(-15)=
6
Are the signs in −8 + (−13) the same or different? What is the sum?
Same; −21
−7.25 + 3.5 = ?
-3.75
Your bank balance is −$7.50. You deposit $12. What is your new balance?
$4.50
-18+25+(-12)=
-5
-20-(-8)-5=
-17
Are the signs in −25 + 17 the same or different? What is the sum?
Different; −8
−8.5 − (−12.75) = ?
4.25
The temperature is −4.5°C. It drops 3.5°C and then rises 10°C. What is the final temperature?
2°C