Grade 1Mathhard
Times Ten
Times Ten — Multiplication worksheet for Grade 1.
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What Your Child Will Learn
- Solve multiplication problems where one factor is 10 by recognizing the pattern that multiplying by 10 adds a zero to the other number
- Apply skip-counting by tens to verify multiplication facts involving 10 (such as 10 × 3, 10 × 5, and 10 × 7)
- Identify and explain the relationship between repeated addition and multiplication when the multiplier is 10 (for example, 10 + 10 + 10 = 3 × 10)
- Demonstrate fluency in solving 10 multiplication facts quickly and accurately through recognition of the ×10 pattern
How to Use This Worksheet
- Step 1: Before starting, review skip-counting by tens together. Count aloud as a class or with your student: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100. Point to each number and have them repeat until they feel comfortable with the sequence.
- Step 2: Show your student one multiplication problem from the worksheet (for example, 10 × 4). Ask them, 'How many groups of 10 do we have?' Then say, 'Let's skip-count four times: 10, 20, 30, 40. That's our answer!' Do 2-3 examples together before they work independently.
- Step 3: Have your student complete 3-4 problems while you observe. Watch whether they use skip-counting, fingers, or drawings to solve. Offer immediate feedback and correction if they're adding instead of multiplying.
- Step 4: For any problem missed, return to the manipulative or visual strategy. Ask your student to explain their thinking rather than just correcting them. This builds metacognition and understanding of the ×10 pattern.
- Step 5: Once all 10 problems are complete, have your student read their answers aloud and notice the pattern: all answers end in 0 (10, 20, 30, 40...). Ask them, 'Why do you think every answer ends in zero?' This reflection solidifies the core concept.
Tips for Parents & Teachers
Many Grade 1 students struggle to see why multiplying by 10 always adds a zero to the other number. Use physical manipulatives like base-ten blocks or bundles of ten straws to show that 10 groups of something always creates a pattern. Have your child count by tens on their fingers while solving (10, 20, 30, 40...) to reinforce the skip-counting connection.
Watch for students who confuse the order of numbers in multiplication (4 × 10 versus 10 × 4). At this hard difficulty level, they may see both orders on the worksheet. Help them understand that both mean the same thing by drawing arrays or circles grouped by tens. This prevents them from thinking these are different problems.
Common mistake: Students may try to add instead of multiply. If your child writes 10 + 3 = 13 instead of 10 × 3 = 30, redirect them by saying, 'We're not adding one group of 10 and one 3—we're making 3 groups of 10. Count with me: 10, 20, 30!' Physically grouping items helps cement the difference.
At hard difficulty for Grade 1, some problems may involve larger numbers (like 10 × 9 = 90). Use a number line or chart showing multiples of 10 (10, 20, 30... 90, 100) so students can visualize where their answer lands. This builds confidence with bigger numbers.
Frequently Asked Questions
Why is multiplying by 10 considered 'hard' for Grade 1 students if there's a pattern?
While the ×10 pattern itself is elegant, Grade 1 students at a hard difficulty level are being challenged to understand WHY the pattern works, not just memorize it. They must connect repeated groups (conceptual understanding) to the pattern (the zero added to the number). Many students can mimic the 'add a zero' rule without understanding it. This worksheet pushes them to use skip-counting and grouping strategies to verify their answers, which requires deeper reasoning.
Should I teach the 'add a zero' shortcut, or should my student use skip-counting instead?
At the hard difficulty level for Grade 1, emphasize skip-counting and grouping first so your student builds conceptual understanding. Once they can confidently explain why 10 × 5 = 50 using skip-counting (10, 20, 30, 40, 50), then introduce the shortcut: 'Notice—we always add a zero to the 5 to get 50.' This order ensures they won't just blindly apply a rule they don't understand.
What if my student still confuses multiplication and addition when solving these problems?
This is very common at hard difficulty because students are working with larger numbers. Use physical objects (blocks, counters, or drawn circles) to show 3 separate groups of 10, and count them all: 10 + 10 + 10 = 30. Then write '3 × 10 = 30' next to it and say, 'This is a faster way to write that we have 3 groups of 10.' Repeat this concrete-to-symbolic progression multiple times so they see multiplication as 'groups of,' not 'and.'
How can I help my student if they're stuck on a problem involving 10 × larger numbers like 10 × 8 or 10 × 9?
Have them use a number line with multiples of 10 already marked (10, 20, 30, 40, 50, 60, 70, 80, 90, 100). Ask them to skip-count up the line while touching each number, counting aloud the number of groups: 'That's one 10, two 10s, three 10s...' until they reach the required number of groups. This visual support prevents counting errors and helps them land on the correct answer (like 80 for 10 × 8).
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