addition
-2.3 + 3.2
0.9
-2/4 - 1/6
-2/3
2.3 x 4.5
10.35
3.5 / -2
Samantha is tracking the temperatures in her town for the week. On Monday, the temperature was 12.5°C. On Tuesday, it dropped by 3.8°C, and on Wednesday, it dropped another 1.2°C
What was the temperature on Wednesday?
7.5
7/9 + -3/4
1/36
-15.12 - 8.8
-23.92
2/6 x 4/5
4/15
15.3 / -5.8
-2.637
James is tracking his bank account balance. He started with $120.50. He made a purchase of $45.75 and then withdrew $20.40 from his account.
What is James's current balance?
$120.50.
91.75 + -78.123
13.627
12/25 - (- 9/12)
1 23/100
13.5 x 4.9
66.15
-123.93 / 6.8
Sarah is working on a school project where she tracks her time spent studying. On Monday, she studied for 2.5 hours. On Tuesday, she studied 1.75 hours less than Monday. On Wednesday, she studied 0.6 hours more than Tuesday.
How many hours did Sarah study in total over the three days?
4.6 hours
27/50 + -34/40
- 31/100
-379.467 - 195.076
-574.543
-6/7 x 7/13
-6/13
5/13 / -16/22
- 55/104
A small business owner, Alex, is tracking the revenue and expenses for a week. On Monday, Alex made a sale of $150.25. On Tuesday, he had to refund a customer $30.75, and on Wednesday, he made another sale of $95.50.
If Alex’s total expenses for the week were $120.40, what is Alex's total profit for the week?
$94.60.
1405.67 + -123.769
1281.901
-19/45 - 27/33
–1 17/35
-45.7 x 12.8
-584.96
1037.6 / -12.6
-82.349
Emma is saving money to buy a new laptop. She starts with $250.75 in her savings account. Over the next few weeks, she makes the following deposits and withdrawals:
On Monday, she deposits $75.50.
On Wednesday, she withdraws $40.25 to buy a new phone case.
On Friday, she deposits $120.00.
How much money does Emma have in her savings account at the end of the week?
$406.00