Understanding Remainders
Hello Year 6! Today, we are going to learn about remainders. This is an important concept in division. Let’s break it down step by step.
What is a Remainder?
When we divide one number by another, sometimes we can’t divide evenly. For example, if we try to divide 10 by 3:
- 3 goes into 10 three times, which makes 9 (3 x 3 = 9).
- If we subtract 9 from 10, we have 1 left over.
This 1 is called the remainder. So we say:
10 \div 3 = 3 \text{ remainder } 1
Key Rules About Remainders
- Division Basics: When you divide, you are trying to find out how many times one number fits into another.
- Whole Numbers: The result of a division can be a whole number with a remainder, or it can be a decimal/fraction.
- Remainder Less Than Divisor: The remainder will always be less than the number you are dividing by (the divisor).
- Expressing Remainders: You can express a remainder in different ways:
- As “remainder” (e.g., 10 ÷ 3 = 3 R1)
- As a decimal (e.g., 10 ÷ 3 = 3.33)
- As a fraction (e.g., 10 ÷ 3 = 3 + 1/3)
Tips and Tricks
- Use Counters: If you have some counters or blocks, you can physically divide them to see how many full groups you can make and what’s left over.
- Check Your Work: After finding the quotient and remainder, multiply the divisor by the quotient and add the remainder. It should equal the original number.
- Practice with Real-Life Examples: Think about practical situations, like sharing sweets or toys among friends.
Examples
- Example 1: Divide 17 by 5.
- 5 fits into 17 three times (5 x 3 = 15).
- 17 – 15 = 2, so the remainder is 2.
- Answer: 17 \div 5 = 3 \text{ remainder } 2
- Example 2: Divide 23 by 4.
- 4 fits into 23 five times (4 x 5 = 20).
- 23 – 20 = 3, so the remainder is 3.
- Answer: 23 \div 4 = 5 \text{ remainder } 3
- Example 3: Divide 30 by 6.
- 6 fits into 30 five times exactly (6 x 5 = 30).
- There is no remainder.
- Answer: 30 \div 6 = 5 \text{ remainder } 0
Practice Questions
Easy Level
- What is 8 \div 3 ?
- What is 15 \div 2 ?
- What is 10 \div 4 ?
- What is 18 \div 5 ?
- What is 12 \div 4 ?
- What is 9 \div 2 ?
- What is 20 \div 6 ?
- What is 7 \div 3 ?
- What is 14 \div 5 ?
- What is 25 \div 4 ?
- What is 16 \div 3 ?
- What is 11 \div 2 ?
- What is 21 \div 5 ?
- What is 30 \div 7 ?
- What is 27 \div 4 ?
- What is 22 \div 3 ?
- What is 28 \div 5 ?
- What is 32 \div 6 ?
- What is 15 \div 6 ?
- What is 13 \div 4 ?
Medium Level
- What is 34 \div 3 ?
- What is 45 \div 7 ?
- What is 50 \div 8 ?
- What is 39 \div 5 ?
- What is 62 \div 9 ?
- What is 56 \div 7 ?
- What is 70 \div 4 ?
- What is 77 \div 6 ?
- What is 88 \div 5 ?
- What is 91 \div 8 ?
- What is 54 \div 7 ?
- What is 63 \div 8 ?
- What is 72 \div 9 ?
- What is 81 \div 6 ?
- What is 48 \div 5 ?
- What is 90 \div 7 ?
- What is 99 \div 10 ?
- What is 66 \div 4 ?
- What is 44 \div 3 ?
- What is 102 \div 11 ?
Hard Level
- What is 135 \div 11 ?
- What is 250 \div 17 ?
- What is 175 \div 12 ?
- What is 195 \div 15 ?
- What is 360 \div 29 ?
- What is 402 \div 21 ?
- What is 512 \div 40 ?
- What is 275 \div 18 ?
- What is 420 \div 34 ?
- What is 600 \div 47 ?
- What is 750 \div 36 ?
- What is 888 \div 37 ?
- What is 999 \div 18 ?
- What is 1000 \div 33 ?
- What is 1500 \div 61 ?
- What is 2000 \div 75 ?
- What is 3000 \div 89 ?
- What is 4500 \div 94 ?
- What is 5000 \div 123 ?
- What is 6000 \div 200 ?
Answers
Easy Level Answers
- 2 R2
- 7 R1
- 3 R2
- 3 R3
- 3 R0
- 4 R1
- 3 R2
- 2 R1
- 2 R4
- 6 R1
- 5 R1
- 5 R1
- 4 R1
- 4 R2
- 6 R3
- 7 R1
- 5 R3
- 5 R2
- 2 R1
- 3 R1
Medium Level Answers
- 11 R1
- 6 R3
- 6 R2
- 7 R4
- 6 R8
- 8 R0
- 17 R2
- 12 R5
- 17 R3
- 11 R3
- 7 R5
- 7 R7
- 8 R0
- 13 R3
- 9 R3
- 12 R6
- 9 R0
- 16 R2
- 14 R2
- 9 R3
Hard Level Answers
- 12 R3
- 14 R12
- 14 R7
- 13 R0
- 12 R12
- 19 R3
- 12 R32
- 15 R5
- 12 R12
- 12 R24
- 20 R30
- 24 R0
- 55 R9
- 30 R10
- 24 R12
- 80 R0
- 33 R39
- 47 R22
- 40 R60
- 30 R0
Now, let’s practice these questions and remember, it’s okay to make mistakes. They help us learn! Happy dividing!