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Class 1 Class 2 CBSE UP Board 📘 What's inside: 1 What is a Missing Number 2 Finding the Step Size 3 Multiple Missing Numbers 4 Skip Counting Sequences 5 Larger Numbers (up to 100) 6 Exam Questions Concept 1 — What is a Missing Number on a Number Line? Sometimes a number line is shown with some numbers missing. A dashed box sits in place of the missing number. Our job is to find what belongs there. The key idea is simple: on any number line, the gap between neighbouring numbers is always equal . This equal gap is called the step size . Once we know the step size, we can find any missing number. ▶ How to Find a Missing Number Look at the numbers that are given on the number line. Find the step size — subtract any two neighbouring known numbers. Add the step to the number before t...

Class 1 Class 2 CBSE UP Board &#128216; What's inside: 1 Position Shows Value 2 Using >, < and = 3 Ordering Numbers 4 Larger Numbers (up to 100) 5 Exam Questions Concept 1 — Position on a Number Line Shows Value We know that on a number line, numbers are placed from left to right in order. Let us observe something very important about this: ▶ The Position Rule A number further to the right is always greater . A number further to the left is always smaller . Two numbers at the same position are always equal . This rule works for every number — small or large. 3 is to the left of 8 — so 3 is smaller. 8 is to the right of 3 — so 8 is greater. ▶ Solved Example 1 Look at the number line. Which is greater — 5 or...