Grade 1Mathhard
Multiply by 10
Multiply by 10 — Multiplication worksheet for Grade 1.
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What Your Child Will Learn
- Apply repeated addition strategies to solve multiplication problems where one factor is 10
- Recognize and use the pattern that multiplying by 10 creates groups of 10 objects
- Solve single-digit × 10 multiplication problems using visual aids such as ten-frames or objects arranged in groups
- Understand that 10 × any number equals that number repeated 10 times, building foundational multiplication concepts
How to Use This Worksheet
- Step 1: Before starting the worksheet, review what a 'group of 10' means by showing 10 counters, blocks, or fingers arranged together. Let students practice making one group of 10 multiple times until this is automatic.
- Step 2: Complete the first 2-3 problems together as a class or with the student. Model drawing circles to represent groups of 10. For example, for 2 × 10, draw two circles and count the total: 10, 20.
- Step 3: Have the student complete the remaining problems independently. Encourage them to either draw circles representing tens or use physical objects if needed. Speed is not the goal—accuracy and understanding are.
- Step 4: After completing all 10 problems, review incorrect answers together. Ask the student to explain their thinking: 'How did you get that answer?' This reveals misconceptions about groups or counting.
- Step 5: Extend the learning by asking real-world questions like, 'If you have 4 groups of 10 crayons, how many crayons do you have altogether?' to reinforce that multiplication by 10 is about equal groups.
Tips for Parents & Teachers
Use physical manipulatives like base-ten blocks or counters grouped into 10s. Many Grade 1 students struggle with multiplying by 10 because they haven't yet internalized what a group of 10 represents. Have students physically count out objects in groups of 10 before attempting abstract problems.
Watch for the common mistake where students simply write the single digit twice (e.g., writing '33' for 3 × 10 instead of '30'). Emphasize that multiplying by 10 makes the number much larger—it's not just copying the digit. Use place value language: 'This is 3 tens, which equals 30.'
Break each problem into a skip-counting exercise. Say '3 × 10' aloud as 'Skip count by 10, three times: 10, 20, 30.' This connects multiplication by 10 to the skip-counting practice students are familiar with at the Grade 1 level.
Frequently Asked Questions
Why is multiplication by 10 considered 'hard' difficulty for Grade 1?
Grade 1 students are typically just beginning to understand multiplication as repeated addition and equal groups. Multiplying by 10 is challenging because the numbers get large quickly (3 × 10 = 30), and students must think in groups of 10 rather than working with smaller, more familiar single-digit numbers. It requires strong counting skills and place value understanding.
My student keeps confusing 10 × 3 with 3 × 10. Are these the same?
Yes, both equal 30, and mathematically they follow the commutative property of multiplication. However, for Grade 1 students, it's helpful to focus on one way of saying it ('3 groups of 10' or 'skip count by 10, three times') to reduce confusion while they're learning the concept. Once they're confident, you can introduce that the order doesn't matter.
Should my Grade 1 student memorize these facts, or should they figure them out each time?
At this stage, understanding how to figure out the answer is more important than memorization. Students should be able to explain their thinking by skip-counting or drawing groups. With practice and repeated exposure, the facts will become automatic, but forcing memorization before understanding can create math anxiety. Use this worksheet multiple times over several weeks to build fluency naturally.
What should I do if my student solves 3 × 10 by adding 3 + 10 instead of recognizing it as 3 groups of 10?
This is a very common error at Grade 1. Stop and clarify the meaning of multiplication: 'Multiplication means equal groups. 3 × 10 means 3 groups with 10 in each group, not just 3 plus 10.' Use manipulatives to show three separate piles of 10 objects, then count them all together. Return to this problem once the concept is clearer.
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