Flash Cards
1/19
What does the number 0 represent?
Zero represents nothing and is less than 1 on the number line.
How well did you know this?
2/19
What is a positive number?
A positive number has a '+' sign in front and is greater than 0.
3/19
What is a negative number?
A negative number has a '–' sign in front and is less than 0.
4/19
What is a number line?
A number line is a visual representation of numbers, including positive and negative integers, along with zero.
5/19
What is the sum of (+2) + (-3)?
The sum is -1 because you move down two floors.
6/19
What is the inverse of +3?
The inverse of +3 is -3, and they sum to zero.
7/19
What does Floor 0 represent?
Floor 0 is the ground level in the Building of Fun, serving as the reference point.
8/19
How do you express movement in the lift?
You express it as Starting Floor + Movement = Target Floor.
9/19
What is pressed to go up two floors from Floor 0?
Press +2 to go up two floors.
10/19
What is the expression to go from Floor +2 to Floor -1?
The expression is (+2) + (-3) = -1.
11/19
Is zero a positive or negative number?
Zero is neither positive nor negative.
12/19
Which is lower: -3 or -4?
-4 is lower than -3 because it is further left on the number line.
13/19
How is subtraction related to making equal?
Subtraction finds how much to add to one number to reach another.
14/19
How do you reach Floor -5 from Floor +2?
Press -7, expressed as (+2) + (-7) = -5.
15/19
What does each positive token represent?
Each positive token represents pressing the '+' button once.
16/19
What are zero pairs?
A zero pair consists of one positive and one negative token that cancel each other out.
17/19
What happens when you press '–3' after pressing '+3'?
You return to the ground floor, expressed as (+3) + (–3) = 0.
18/19
Is +4 greater than -2?
+4 is greater than -2 because it is to the right on the number line.
19/19
How do you express the movement needed to equalize amounts?
Using Target Floor - Starting Floor = Movement needed.
Sharpen concepts with MCQs, quizzes, and focused topic-based practice.
Faster access to practice, revision, and daily study flow.
Question Bank
Worksheet
Revision Guide
Formula Sheet
