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Numbers to 1000 | Year 3 Mathematics PDF Download

Understanding Place Value

  • Place value is a fundamental concept in mathematics that helps us understand the value of digits in a number.
  • Each digit's position within a number determines its value.
  • We commonly use headings like 'ones', 'tens', 'hundreds', and 'thousands' to represent place values.

Solved Examples

Example 1: How do you represent the number 167 with a place value chart?
Sol:  
The number 167 consists of the digits 1, 6, and 7.
We can break down 167 into 1 hundred, 6 tens, and 7 ones.
Numbers to 1000 | Year 3 Mathematics

In other words, 1 hundred, 6 tens and 7 ones.
A place value chart can utilize dots to represent digits. For 167, this would mean:
Numbers to 1000 | Year 3 Mathematics

  • Place value chart: A place value chart can use dots to represent digits, where each dot corresponds to a specific value. For instance, 1 hundred, 6 tens, and 7 ones can be represented using dots.
    Numbers to 1000 | Year 3 Mathematics
  • Base 10 blocks: Base 10 blocks can be used to represent a number. A 10 x 10 square block represents one hundred, a 10 x 1 row represents one ten, and an individual block represents one unit.
    Numbers to 1000 | Year 3 Mathematics
  • Place value counters: Counters can also be used to represent a number. You can use a counter for each hundred, each ten, and each one.

Example 2: Let's rearrange the digits 1, 6 and 7 into 671 to see how it changes the number.
Sol: 

Numbers to 1000 | Year 3 MathematicsBase 10
Numbers to 1000 | Year 3 MathematicsPlace value counters
Numbers to 1000 | Year 3 MathematicsThe same digits have been used but they are in a different order. Their value completely changes.

Example 3: Ellie wants to show the number 345 using place value counters. Can you help her?
Sol: 
The first thing you need to do is partition the number. That's 3 hundreds, 4 tens and 5 ones.
Numbers to 1000 | Year 3 MathematicsNow put them together to represent 345.
Numbers to 1000 | Year 3 Mathematics

The document Numbers to 1000 | Year 3 Mathematics is a part of the Year 3 Course Year 3 Mathematics.
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FAQs on Numbers to 1000 - Year 3 Mathematics

1. What is place value and why is it important in understanding numbers to 1000?
Ans. Place value is the value of a digit based on its position in a number. It is important in understanding numbers to 1000 because it helps in knowing the actual value of each digit in a number, making it easier to perform operations like addition, subtraction, multiplication, and division.
2. How can place value help in comparing numbers up to 1000?
Ans. By understanding place value, one can easily compare numbers up to 1000 by looking at the digits in each place. For example, in the numbers 356 and 428, we can see that 4 is greater than 3 in the tens place, so 428 is greater than 356.
3. How can students practice place value for numbers up to 1000 effectively?
Ans. Students can practice place value for numbers up to 1000 by using manipulatives like base-10 blocks, place value charts, and number lines. They can also solve worksheets and play interactive games to reinforce their understanding.
4. What are some common misconceptions students have about place value when dealing with numbers up to 1000?
Ans. Common misconceptions students have about place value when dealing with numbers up to 1000 include confusing the value of digits in different places, not understanding the concept of zero as a placeholder, and mixing up the order of digits in a number.
5. How can teachers help students master place value for numbers up to 1000 in the classroom?
Ans. Teachers can help students master place value for numbers up to 1000 in the classroom by providing hands-on activities, real-life examples, and regular practice. They can also use visual aids, group work, and differentiated instruction to cater to the needs of all learners.
69 videos|67 docs|11 tests
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