Number Decoder
You climbed 100 meters.
+100
(+28)+(−13)= ?
+15
(+35) − (+12)=
+23
____+175=300
125
Johnny’s soccer team was losing by 2 goals at halftime. In the second half, they scored 3 goals. What was the final score difference?
(-2) + 3 = 1
The final score difference was +1.
Your bank account went from $0 to owing $45
-45
(+45)+(−20)= ?
+25
(+50)−(−15)=?
+65
400−____=232
168
Ellie had $25. She spent $40 on Starbucks drinks for her and her friends. What is her balance now?
25 - 40 = -15
Ellie's new balance is -15 dollars.
It was 10°C in the morning and warmed up by 5 degrees.
+15
(−80)+(−45)= ?
-125
(−65)−(+40)=?
-105
725−____=289
436
A diver started at sea level and descended 120 meters. Then he rose 40 meters. What is his current depth?
The diver's current depth is -80 meters.
The day started at 15°C, dropped 10 degrees, then dropped another 7 degrees
-2
(+95)+(−130)= ?
-35
(−85)−(−30)=?
-55
____−248=512
760
Fraser had a reading goal of 500 pages this month. He read 120 pages in the first week, 150 in the second, and 90 in the third. How many pages does he still need to read to meet his goal?
Fraser still needs to read 140 pages.
You started at sea level, dove 200 meters, rose 50 meters, then dove another 100 meters.
-250
(−120)+ (+75)+(−30)= ?
-75
(+120)−(+175)=?
-55
1,200−____=375
825
Grant tracked the temperature over three days. On Monday, it was -12°C. On Tuesday, it rose by 18 degrees. On Wednesday, it dropped by 25 degrees. What was the temperature on Wednesday?
The temperature on Wednesday was -19 degrees.