# Questions tagged [multiplication-table]

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### Resources for Learning Multiplication Facts

A recent question (@Namaste) made me realize that it would be good to pull together the best resources for learning the multiplication facts. When seen as a rote memory task, this can turn students ...
6k views

### Is this primarily a “rote computational trick” for multiplication by 9?

I tried uploading a gif, but was unable to do so. What I can do, is share a link to the gif here. (SE software seems to have allowed me to share the link, but not upload it.) What it shows, ...
235 views

### How many hours / school years does it take for the average child to memorize the $10\times 10$ addition and multiplication tables?

How many hours does it take for the average child to memorize the $10\times 10$ addition table? How many school years does it take for the average child to memorize the $10 \times 10$ addition table? ...
167 views

### Multiplying two decimals using (camouflaged) binary representation

This post is largely copied from a response to the 17 Camels Trick MO posting. Here I ask: Q. Does anyone (in any country) teach this binary method of decimal multiplication? It strikes me ...
386 views

### Arguments against multiplication by 'stacking'

A 8th grade student I was working with recently was faced with squaring 37 in a problem that they were working on. The student stared down the numbers for some time, and then came up with some ...
316 views

### Why are times tables thought to be important?

This question was inspired by a different question on this site which asked by what grade times tables had to be learned. The consensus seemed to be that it is essential that you learn basic times ...
25k views

### When should a kid have memorized the multiplication table?

To contextualize: I know someone who is ten years old, and needed to use repeated addition to compute $4 \times 8$, i.e., needed to calculate it as $4 \times 8 = 8+8+8+8$. Question: By what age ...
153 views

### Adult pupils with multiplication problems

I am trying to help some adults who have not practiced mental arithmetic for decades, but now they have a need for various reasons. I have noticed that they are considerably uneven: $2\times4$, \$6\...
326 views

### Strategies for x8 multiplication

I am creating an app for multiplication learning/practice. During practice students get hints if they do not answer the question within some time or if they provide a wrong answer. These hints are ...
163 views

### Looking for a tool to create a digital multiplication quiz

I'm looking for some site or software which can help me create an easy, digital multiplication quiz for my students. Some things which need to be included: The student need to be able to type in the ...
1k views

### How to teach quick multiplication and division in head?

I recently started giving maths lessons and it seems like I am at my wits end. My own background is: I'm a masters student in physics, already did several tutorials for younger students, especially ...