What is an integer?
What is an integer?
A whole number — no fractions or decimals. It can be positive, negative or zero.
On a number line, are negative numbers on the left or the right of 0?
On the left
Write “4 degrees below zero” as an integer.
−4 (or −4°C)
Which symbol means “greater than”: < or > ?
>
What is the direction (sign) of −7: positive or negative?
Negative
Is 7 a positive or a negative number?
Positive
Fill the gap: −3, −2, ___, 0, 1
−1
A lift goes 2 floors below the ground. Write this as an integer.
−2
Put the correct sign: −6 ___ 1
< (−6 < 1)
What is the magnitude (distance from 0) of −5?
5
Which of these is an integer: 2½, −6, 0.5 ?
-6
Which number is further to the right: −5 or −2 ?
-2
The sea floor is 10 metres below sea level. Write this as an integer.
−10 (or −10 m)
Put the correct sign: −2 ___ −7
> (−2 > −7)
What is the opposite of 1?
-1
Is zero positive, negative, or neither?
Neither — zero is not positive and not negative.
Fill the gaps: −2, ___, 0, ___, 2
−1 and 1
Which is colder: −6°C or −2°C ?
−6°C (it is further below zero)
Order from smallest to biggest: 2, −5, 0, −1
−5, −1, 0, 2
Why is a magnitude always positive?
Because it is a distance from zero, and a distance can't be negative.
True or false: −4 and 0.5 are both integers.
False — only −4 is an integer. 0.5 is a decimal.
What number is 4 steps to the left of 0?
-4
A bank account owes $5 (it is $5 in debt). Write the balance as an integer.
−5 (or −$5)
Order from biggest to smallest: −3, 4, −1, 0
4, 0, −1, −3
−3 and 3 add together to make zero. What is this pair called?
A zero pair (they are opposites).