Addition
−8 + 5
−3
−6 − (−9)
3
−7 × 4
28
−54 ÷ 6
−9
A chemist is observing a solution’s temperature over a four hour period that starts at -12.4℃. In four hours, the temperature rises 5.7℃ and drops 8.1℃. What is the temperature of the solution after four hours?
-14.8 degrees Celsius
−4.5 + 2.7
−1.8
5.2 − 7.8
-2.6
−0.6 × 1.2
−0.72
−6.4 ÷ 0.8
−8
The volleyball club needs $842.36 to make a purchase and has received a $300.00 donation. The remaining amount will be equally divided among 4 different fundraisers throughout the summer. How much money will each fundraiser need to raise?
$135.59
−1/6 + 5/6
2/3
7/9 − 4/9
1/3
2/5 × 3/5
6/25
3/4 ÷ 1/4
3
Michael needs 6 ½ feet of metal flashing to complete a household project. He has two small pieces measuring 3 ⅛ feet and 1 ¾ feet. How many feet of metal flashing does Michael need to purchase?
1 5/8 ft
−2 1/3 + 1 3/4
−7/12
−3 1/2 − 2 2/5
−5 9/10
−1 2/5 × 2 1/3
−3 4/15
−2 1/2 ÷ 1 1/4
-2
An art teacher is hosting a summer art camp. He has a total of $180 to purchase snacks, drinks, and art supplies. He buys 45 bags of chips at $0.55 each and 45 juice boxes at $0.80 each. How much money does he have left to spend on art supplies?
$119.25
−3.5 + 1/4
−3.25
4 1/2 − 1.75
2.75
−0.4 × 5/8
−0.25
5/6 ÷ 0.5
1 2/3
Jay is reading a 352-page novel for her summer reading project. On Monday she reads ⅜ of the novel. On Tuesday she reads 28 pages, and on Wednesday she reads ¼ of the novel. How many more pages does Joy have until she finishes the novel?
104 pages