Test: Subtraction up to 9 - Class 1 MCQ

The result of subtracting a number from itself, like 3 – 3, is always 0, indicating that nothing is left.

To subtract using a number line, you move backward from the starting number by the amount you are subtracting. This visual representation helps in understanding how subtraction works.

The answer to a subtraction problem is referred to as the "difference." For instance, in the subtraction 4 – 2, the difference is 2.

Subtracting zero from any number leaves the original number unchanged, so 10 – 0 equals 10.

Subtraction is the process of taking away items from a group, which results in a new quantity being left over. For example, if you start with 4 apples and take away 2, you are left with 2 apples.

In vertical subtraction, the larger number is written on top of the smaller number, with the digits aligned by place value (ones, tens, etc.) to make subtraction easier.

Starting at 8 and moving back 5 steps on a number line lands you at 3, so 8 – 5 equals 3.

The symbol for subtraction is “–”, known as minus. It indicates that a quantity is being taken away from another quantity.

To find out how many apples are left after Sam eats 2, you perform the subtraction: 5 – 2 = 3. Thus, there are 3 apples remaining.

To find out how many children remain in the bus after 2 leave, you calculate 8 – 2, which equals 6 children left.