ADD AND SUBTRACT INTEGERS

Write the number for a submarine at a depth of 512 metres below sea level using the proper sign.

• +512

• -512

• 512

• -51.2

What is the height of Mt. Everest in metres?

• 8848

• 8488

• 8884

• 8484

If the temperature increased from -10 degrees Celsius to 20 degrees Celsius, what is the rise in temperature?

• 10 degrees

• 20 degrees

• 30 degrees

• 40 degrees

In a Math test, how many marks are deducted for every incorrect answer?

• +1

• +2

• -1

• -2

If a student answers 5 questions correctly and 3 incorrectly, what is their total score?

• 7

• 8

• 9

• 10

A bird 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?

• 30 minutes

• 20 minutes

• 25 minutes

• 35 minutes

The Indus Valley Civilization began in 7000 BC and came to an end in 1900 BC. How long did it last?

• 5100 years

• 6000 years

• 4900 years

• 5200 years

What does the 'E' in PEMDAS stand for?

• Equations

• Exponents

• Elements

• Expressions

What does the 'M' in PEMDAS stand for?

• Multiplication

• Measurement

• Median

• Mean

Which mnemonic is used worldwide along with PEMDAS?

• BODMAS

• CODMAS

• MODMAS

• RODMAS