Text book
- You will find work on division from page 314 on wards
- You can find a definition of what a composite and prime number is (pages 342 & 343)
Maths Practice Book
- Pages 66 - 86
- Prime and composite numbers p.85 (you will need to know what they are before you start on this page - see text book 342 & 343)
- Division patterns to estimate p.77
Here is a great pdf that you can download and print out or just read, it gives a more in-depth definition of what I just went through above with worksheets. It doesn't cover everything and you don't have to worry about the section on percentage.
Maths test goals and help
As mentioned earlier this week we will be having our end of unit division test next Friday (18th Jan). Today I am going through what we are going to focus on in the test. I posted on the blog when we started our unit on division our learning goals from the IB. Our test on Friday will have all these elements in it, you can find that post here. Over the whole unit we have focused on these goals and nothing that the students will find in the test will be new or something they haven't done. Below is a more 'user friendly' wording of what students will be asked to express their knowledge of.
- Patterns and rules in division can be found and used to help to solve problems and to be able to describe them using words, symbols and tables. Here is an example of one pattern in division:
- Link division to repeated subtraction. Here is a video that explains what it is:
- The inverse relationship between Division and Multiplication. Fact families are a good and easy way to demonstrate this relationship (/ symbol is used here as a division sign)
15 / 3 = 5
15 / 5 = 3
5 x 3 = 15
3 x 5 =15
- Understand and use a sequence of operations; are you able to do long division? if you are, then you know the sequence of operations for long division.
- You are able to use and understand the language of division. The big ones are; factor, multiple, product, quotient, divisor, dividend, prime number, composite number, inverse (practice here).
- To be able to use the language of fractions
- Divide whole numbers
- Know multiplication and division facts. mentally you know; 6 x 7 = 42 or 21 / 3 = 7
- You will be able to use your division skills in real life situations (think of the word problems that we have been doing)
- To be able to pick a method to use to find the answer (product). "Can I solve this mentally or is estimating better or should I work it out on paper?"
This is everything you need to know for the test. I will give you book references and photocopies to help you review and refresh your knowledge. Here are some links to some online games that can help as well
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