Add: 1/4 + 1/2
What is 3/4
5/6 − 1/3
What is 1/2
A submarine at -120 ft rises 30 ft. What is its new depth?
What is -90 ft
3.25 + 1.7
What is 4.95
8.4 − 2.75
What is 5.65
A bank account balance is $45.50. A withdrawal of $78.25 is made. What is the new balance?
What is -$32.75
-2/3 + 5/6
What is 1/6
-1/2 − 3/4
What is -1 1/4
Temperature was -6°C at dawn. By noon it rose 11°C, then dropped 4°C. What is the final temperature?
What is +1°C ( -6 + 11 − 4 = 1 )
4.75 + (-6.2)
What is -1.45
6 1/3 − 2 5/6
What is 3 1/2
Lina had 3 1/4 yards of ribbon. She used 5/8 yard and then received 2 1/2 yards more. How much ribbon does she have now?
What is 4 1/8 yards (3 1/4 − 5/8 + 2 1/2 = 4 1/8)
Add and simplify: -7 1/2 + 3 3/4
What is -3 3/4
-3.2 − (-7.45)
What is 4.25
A hiker is at elevation 1,240 ft. She descends 1,875 ft, then climbs 620 ft, then descends another 200 ft. What is her final elevation? Show work.
What is -215 ft (1,240 − 1,875 + 620 − 200 = -215)