Last updated on May 26th, 2025
A times table is a chart that shows the results of multiplying a number with whole numbers. Learning the times table will help kids understand multiplication. We use an algebraic system to define multiplication operations, construction, estimation, schoolwork, exams, etc. In this topic, we will learn about the table of 640.
Multiplication was used by people over 4000 years ago. Babylonians were considered the first to use it in clay tablets. Multiplication tables are created as a result of people's search for easier ways to solve problems. Learning multiplication tables has numerous advantages. Kids can answer quickly if they know their times table. It also helps to enhance their understanding skills. Being more familiar with the tables improves children's memory and confidence.
Multiplying the whole number (1, 2, 3, 4, 5, and so on) by 640 gives the product of the multiplication table of 640.
Here are some examples:
640 × 1 = 640
640 × 2 = 640 + 640 = 1,280
640 × 3 = 640 + 640 + 640 = 1,920
640 × 4 = 640 + 640 + 640 + 640 = 2,560
640 × 5 = 640 + 640 + 640 + 640 + 640 = 3,200
640, 1,280, 1,920, 2,560, 3,200, and so on are multiples of 640.
The 640 times table chart shows the multiple of 640. Every result in the chart is obtained by multiplying 640 with other whole numbers, like 1 to 10, and so on
For example:
640 × 10 = 6,400
640 × 11 = 7,040
640 × 12 = 7,680, and so on.
TABLE OF 640 (1-10) | |
---|---|
640 x 1 = 640 |
640 x 6 = 3840 |
640 x 2 = 1280 |
640 x 7 = 4480 |
640 x 3 = 1920 |
640 x 8 = 5120 |
640 x 4 = 2560 |
640 x 9 = 5760 |
640 x 5 = 3200 |
640 x 10 = 6400 |
TABLE OF 640 (11-20) | |
---|---|
640 x 11 = 7040 |
640 x 16 = 10240 |
640 x 12 = 7680 |
640 x 17 = 10880 |
640 x 13 = 8320 |
640 x 18 = 11520 |
640 x 14 = 8960 |
640 x 19 = 12160 |
640 x 15 = 9600 |
640 x 20 = 12800 |
Understanding the multiplication table of 640 can be challenging because of the larger number involved. But with tips and tricks, it becomes easier. Let’s look into some:
Breaking the numbers into smaller parts will make it easy to learn multiplication.
For example, 640 × 4
Here, 640 can break into 600 + 40
(600 × 4) + (40 × 4) = 2,400 + 160
= 2,560.
On one side of the flashcard, write the multiplication problems.
For example:
Front: 640 × 3
Back: 1,920.
The unit digits in the 640 times table repeat every 5 multiples.
For example: The unit digits repeat in the cycle: 0, 0, 0, 0, 0. After every 5 multiples, the cycle restarts.
While working on the tables of 640, it's common for kids to make some errors. Here are some common mistakes that kids make and the tips on how to avoid them.
A publishing company prints 640 copies of a book in one batch. If they have an order for 640 copies from a bookstore, how many batches do they need to complete the order?
1 batch.
Since each batch contains 640 copies and the bookstore ordered exactly 640 copies, they need 1 batch. Example calculation: 640 × 1 = 640.
A concert venue charges 640 units per ticket. If a group of 3 friends buys tickets, how much will they spend in total?
1920 units.
To find the total cost, multiply the price of one ticket (640) by the number of tickets (3):
640 × 3 = 1920 units.
An art gallery has 640 frames, and each frame holds 7 paintings. Calculate the total number of paintings that can be displayed.
4480 paintings.
Multiply the number of frames (640) by the number of paintings each frame holds (7) to find the total:
640 × 7 = 4480 paintings.
A farmer plants 640 seeds in each field. If the farmer has 12 fields, how many seeds are planted in total?
7680 seeds.
To determine the total number of seeds planted, multiply the number of seeds per field (640) by the number of fields (12):
640 × 12 = 7680 seeds.
A software company has 640 developers. If each developer completes 5 tasks per day, how many tasks are completed by all developers in one day?
3200 tasks.
Multiply the number of developers (640) by the number of tasks each completes per day (5) to get the total tasks completed:
640 × 5 = 3200 tasks.
Seyed Ali Fathima S a math expert with nearly 5 years of experience as a math teacher. From an engineer to a math teacher, shows her passion for math and teaching. She is a calculator queen, who loves tables and she turns tables to puzzles and songs.
: She has songs for each table which helps her to remember the tables