Chapter 1: Numbers and Operations
What you need to learn in this chapter
In this chapter, we will be learning about numbers and operations. We will start by understanding number value, which means we will learn how to read and write numbers up to 1,000,000. We will also learn how to determine the value of a number.
Next, we will explore prime numbers. We will learn how to identify prime numbers within 100. Prime numbers are special numbers that have only two factors, 1 and itself.
We will also study estimation. This means we will learn how to make a good guess about a quantity based on given references. We will also practice completing patterns of even and odd numbers.
Lastly, we will learn about rounding. Rounding means making a number simpler but still close in value. We will learn how to round off numbers up to the nearest hundred thousand. We will also learn how to identify numbers that can represent a rounded-off number.
By the end of this chapter, we will have a better understanding of numbers and operations, including number value, prime numbers, estimation, and rounding.
Topics in this chapter
1. Number Value
What you will learn in this topic
- Specifies numbers up to 1 000 000
- Determine the value of a number up to 1 000 000
- Write any number in expanded notation according to place value and digit value
- Arrange the numbers up to 1 000 000 in ascending and descending order
2. Prime Numbers
What you will learn in this topic
- Identify prime numbers within 100
3. Estimation
What you will learn in this topic
- Estimate a quantity based on a given set of references and determine the appropriateness of the answer
- Complete the patterns of even numbers and odd numbers
4. Rounding
What you will learn in this topic
- Round off any numbers up to the nearest hundred thousand
- Identify numbers that can represent a number rounded off up to the nearest hundred thousand
5. Number patterns
What you will learn in this topic
- Identify patterns in given number series in ascending and descending order by ones up to tens, hundreds, thousands, ten thousands and hundred thousands
- Complete various number patterns that are given in ascending and descending order
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