# Surf for More Math

## CHAPTER 2: NUMERATION

**Lesson 9: Rounding Decimals **

Use these interactive activities to encourage students to have fun on the Web while learning about numeration. Students can try these activities on their own or in pairs.

**Goal**

Interpret rounded decimals, and round decimals to the nearest tenths or the nearest hundredth.

**Builds Upon**

Student Book pages 66–68

**Instructions for Use**

**Decimal and Whole Number Jeopardy** is a one or two player game in which students will answer different questions about decimal numbers.

Choose a category and a level. Answer each decimal question to win the prize money.

**Rounding Decimals** provides students with practise rounding decimals to different decimals places.

Read the instructions and then scroll down to the Practice box. You will be given a number and told what decimal place to round the number to.

**Matching** allows students to practise rounding decimals to the nearest whole, tenths, and hundredths.

You will be shown a series of cards. Click on one card and then click on the card that matches.