7B/7D Rounding and placing on the number line

• Wiskunde
• Middelbare school
• havo
• Leerjaar 2

Good morning!

Schedule: 

• Learning goals 
• Rounding 
• Decimals on the number line 
• Measuring activity 
• Work

Learning goals 

At the end of this lesson I can:

• Round decimal numbers correctly 
• Place decimal numbers on the number line 
• Read decimal numbers from a number line

Round 2.11783 to 3 decimal places

2.11783

to 3 decimal places

Round to the nearest hundredth
23.0578

23.0578

To the nearest hundredth

Round to 4 significant figures:
3.09642

3.09642

To 4 significant figures

Significant figures start after the first non-zero digit!

Write 0.34 as a fraction

1. ​10​​34​​
2. ​1000​​34​​
3. ​100​​34​​
4. ​34​​1​​

Decimals on the numbers line

When placing decimals on the number line, you divide the line in 10 parts: 

1. 0.7
2. 1.7
3. 0.8
4. 7

Measuring activity

In duo's look for items you want to measure. (10 min)

Finished? Let me check your work and get a sticker!! 

Let's get to work! 

p. 137-138 : 7B            1, 3, 6, 7

p. 140-141: 7D             2bfcg, 4, 6abc, 9, 12cdef