Rounding to nearest ten

About the Lesson
In this lesson, students will learn how to round numbers to the nearest ten. Rounding helps us make numbers simpler and easier to work with.

Examples
📌 Example 1
Round 23 to the nearest ten.
Look at the ones digit (3).
If the ones digit is 4 or less, round down.
23 rounds to 20.

📌 Example 2
Round 47 to the nearest ten.
Look at the ones digit (7).
If the ones digit is 5 or more, round up.
47 rounds to 50.

📌 Example 3
Round 89 to the nearest ten.
The ones digit is 9.
9 is 5 or more, so round up.
89 rounds to 90.

Learning Objectives

✅ Understand what rounding means.
✅ Learn the rule for rounding to the nearest ten.
✅ Round numbers up or down correctly.
✅ Use rounding to make numbers simpler.

Fun Practice Activities
1. Worksheet Practice ✏️
Round each number to the nearest ten:

16 → ___

34 → ___

58 → ___

72 → ___

99 → ___

2. Test Yourself: Interactive Quiz 🎯
Multiple Choice:
Round 42 to the nearest ten.
a) 40
b) 50
c) 30

Fill in the Blank:
77 rounds to ___

True or False:
25 rounds to 20 (Answer: True)

Offline Homework: Rounding Practice 📖
📝 Instructions:
1. Round these numbers to the nearest ten:

13

68

92

47

85

2. Draw a number line for 37 and show how it rounds to the nearest ten.
3. Challenge Question:
Write two numbers that round to 50.

This lesson turns young learners into number explorers who can simplify tricky digits with confidence. Step by step, they discover that rounding is like giving numbers a friendly shortcut, making math clearer and easier in everyday life.