Addition of Integers
11+15=
11+15
=(26)
(-2)-(-8)=
(-2)-(-8)
=(6)
The weather report suggested that your city’s temperature increased from – 10 degree Celsius to 20 degree Celsius. What is the rise in temperature?
The weather report suggested that your town's temperature increased from – 10 degree Celsius to 20 degree Celsius. What is the rise in temperature?
Answer: 30 degrees
Compare
82 - 61 =
Compare
82 - 61
=21
(12)+(-4)=
(12)+(-4)
=(8)
(-6)-(5)=
(-6)-(5)
=(-11)
In a English test (+2) marks are given for every correct answer and 1 mark is given for every incorrect answer. Zai'elle gets only 12 of his answers correct out of 18 questions on the test. What will be his score?
In a English test (+2) marks are given for every correct answer and 1 mark is given for every incorrect answer. Zai'elle gets only 12 of his answers correct out of 18 questions on the test. What will be his score?
Answer: 18
Lisa found some seashells at the beach. James found 17 shells. They now have 42 shells. How many did Lisa find?
Lisa found some seashells at the beach. James found 17 shells. They now have 42 shells. How many did Lisa find?
Answer: Lisa found 25 shells.
(-1)+(-12)=
(-1)+(-12)=
=(-13)
(5)-(3)-(-2)=
(5)-(3)-(-2)
=(4)
A eagle descends at the rate of 10 ft/min. How long will it take for the bird to reach the ground if it is flying at 300 ft high in the sky?
A eagle descends at the rate of 10 ft/min. How long will it take for the bird to reach the ground if it is flying at 300 ft high in the sky?
Answer: 30 minutes
Frank's construction made seven houses. Jackson built some more. Now there are 12 houses. How many did Jackson build?
Frank's construction made seven houses. Jackson built some more. Now there are 12 houses. How many did Jackson build?
Answer: Jackson built 5 houses.
(-11)+(-5)=
(-11)+(-5)
= (-16)
(-7)-(-7)-(4)=
(-7)-(-7)-(4)
=(-4)
The Indus Valley Civilization began in 7000 BC and came to an end in 1900 B.C. How long did it last?
The Indus Valley Civilization began in 7000 BC and came to an end in 1900 B.C. How long did it last?
Answer: 5100
Emad set up a lemonade stand at the corner of the lane. He poured 42 glasses of lemonade. He sold 16. How many glasses of lemonade does he have left?
Emad set up a lemonade stand at the corner of the lane. He poured 42 glasses of lemonade. He sold 16. How many glasses of lemonade does he have left?
Answer: 26 lemonade glasses.
(-15)+(12)=
(-15)+(12)
=(-3)
(-8)-(-8)-(5)=
(-8)-(-8)-(5)
=(-5)
Two churches are situated 8 m above the sea level and 19 m below the sea level respectively. What is the distance between the levels of two churches?
Two churches are situated 8 m above the sea level and 19 m below the sea level respectively. What is the distance between the levels of two churches?
Answer: 27m
Nina picked a total of 42 apples. She picked 25 Macintosh apples and the rest of the apples were Golden Delicious apples. How many of Nina’s apples were Golden Delicious? Write an equation to solve the problem. Show or explain your answer.
Nina picked a total of 42 apples. She picked 25 Macintosh apples and the rest of the apples were Golden Delicious apples. How many of Nina’s apples were Golden Delicious? Write an equation to solve the problem. Show or explain your answer.
Answer: 25+__=42