What is subtraction?
Subtraction means taking away numbers from others.
It helps you to find out how many people are still after you delete something.
Subtraction is used every day!
You can find the difference between the two numbers.
Solve puzzles and math problems.
Using subtrahend
There is a difference in the number obtained after legislation
Example:
9-4 = 5
Effect
There are seven sweets.
You give your friends 3.
You still have four sweets.
Example 2:
5-0 =?
There are 5 apples, which take 0.
There is no left.
What?
Answer 3
5-2 = 3
Try drawing and deleting a photo of an apple, star or ball!
Starts the first number (minuend).
Jump backwards the number subtracted by (subtra-).
Answer (difference) wherever you land.
Section:
8-3 =?
Subtract payments without having to borrow from the following numbers:
Example:
53-21 =?
Two-digit numbers (including borrowing) Sometimes I borrow from the 10th row when the top number is small.
Example:
42-27 =? = 1
Answer: 15
It was sold.
How many remaining?
20-8 = 12
Answer: 12 pencils are still there. 12 roses.
How many students are still on the bus?
30-12 = 18
Answer: 18 students are on the bus.
9
Subtract from the same number
Arbitrary numbers themselves are 0. 8: Subtracting larger numbers (such as 3-digits)
Example:
634-215 =? 4
Answer: 419
Pattern
See how subtraction follows the pattern:
Pattern:
10-1 = 9
10-2 = 8
10-3 = 7
10-4 = 6
8-5= __
12-4 = __
35-20= __
100-75= __
46-29= __
15-0= __
9-9 = __
81-63= __
I gave a friend a 4 and lost a 2.
How many do I have now?
10-4-2 = 4
There were 25 bananas in the fruit basket.
