Solving Basic Equations Step by Step
6-8
11
Fast, Easy, Efficient Way to Learn Multiplication
Lesson Details
Duration (minutes)
6
Grade Level
3-5
Summary
This video teaches Math TA's six rules for simplifying multiplication tables, reducing the 144 facts from 1x1 through 12x12 down to just 24 that actually need memorization. It covers shortcuts for multiplying by 1, 10, 11, 2, 5 (skip counting), and the "Rule of 9" trick, showing step-by-step how each rule eliminates more facts. It wraps up by showing how combining all six rules leaves only 24 unique facts left to practice.
Video credit
The Fastest Way to Learn Multiplication Facts by MyMathTA
Original video hosted on YouTube · Watch on YouTube →
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Student Worksheet: Fast, Easy Way to Learn Multiplication Tables
Teacher Note: Students can watch the video lesson above and answer the questions. Click the “Teacher Answer Key” dropdown below when you are ready to review the solutions!
Key Concepts:
• Multiplying by 1: Any number times 1 equals that same number.
• Multiplying by 10 (“Zero is the Hero”): Add a zero to the end of the original number.
• Multiplying by 11: For a single digit, multiplying by 11 duplicates that digit (e.g., 3 x 11 = 33).
• Skip Counting: A way to multiply by counting up by a number repeatedly (used for multiplying by 2 and 5).
• Rule of 9: Subtract 1 from the factor for the tens digit, then find the number that adds to 9 for the ones digit.
Instructions: Read each question carefully and write your answer in the space provided.
- Question 1: What is the shortcut rule for multiplying any number by 1?
- Question 2: Using the “Zero is the Hero” rule, what is 7 x 10?
- Question 3: Using the Rule of 11, what is 6 x 11?
- Question 4: Use skip counting by 5s to solve 7 x 5. Show your counting.
- Question 5: Using the Rule of 9, solve 4 x 9. Show the two steps (tens digit, then ones digit).
- Question 6: According to the video, how many unique facts are left to memorize after learning all 6 rules?
Click to reveal Teacher Answer Key
1. Any number times 1 equals that same number. Explained @ 0:36
2. 70 (add a zero to 7). Explained @ 1:07
3. 66 (duplicate the digit 6). Explained @ 1:45
4. 5, 10, 15, 20, 25, 30, 35 — so 7 x 5 = 35. Explained @ 3:27
5. 1 less than 4 is 3 (tens digit); 3 + 6 = 9, so the ones digit is 6; answer is 36. Explained @ 4:21
6. 24 unique facts. Explained @ 5:16
Disclaimer: This worksheet was generated with AI assistance based on publicly available video content. It is intended for educational reference only. Teachers are encouraged to review and adjust questions to fit their curriculum standards before classroom use.