1TH/vwo Ch11 REFRESH

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 1

1TH/vwo Ch11 REFRESH

Ch 11 Calculating with variables is about:

     +        -        x       :

     powers:                          2 x 2 x 2 = 8

     and much more let's start with the REFRESH on p.172/173!

2​3​​=

A few tasks will help you on your way!

7​2​​=

1. 7
2. 7 x 7
3. 7 x 2
4. 49

answer:

7​2​​=49

6a and 7 are

1. not like terms
2. like terms

6a and 7 are certainly NOT LIKE TERMS

you cannot add them together

If we had 6a and 7a then you could add them:

6a + 7a = 13a

The perimeter means in dutch:
..................

answer:

perimeter = omtrek

area = oppervlakte

Try to find out:

the cost in euros per hour.

Give your answer in the next slide.

1. 2
2. 1.5
3. both are wrong

answer:

In 8 hours you pay 12 euros,

so per hour you pay 12 : 8 = 1.5 euros.

Homework time

Make the REFRESH Ch11 on p.172/173 in your Notebook.

Check your work with the famous Solutionsbook and

send in a few pics with your work on them.