## 2nd Year Lesson & Homework

January 31, 2008

Today we expressed a quantity as a percentage.

e.g. 3 out of 4 in a test is ¾ × 100 = 75%

Homework is to finish off Ex 5.1

Also official Level E homework for Monday ( complete on sheet)

## 3rd Year Lesson and Homework

January 31, 2008

Today we did real-life questions using Pythagoras Theorem.

Ex 4.1

Homework Page 152 Ex 4.2 Q2

## 4th Year Lesson

January 30, 2008

Today we covered constructing and reading Bar Graphs

Ex 4.1 and 4.2

## 4th Year & Homework

January 30, 2008

Today we covered Pictographs Ex. 2.1 and 3.1

Weekly homework is 10 mixed questions

## 2nd Year Lesson & Homework

January 30, 2008

Today we learned about Proper, Improper and Mixed fractions and decimal fractions.

e.g. Proper Fraction ¼

e.g. Improper Fraction 11/8

e.g. Mixed Fractions 5 1/2

e.g. Decimal fraction   ¼ = 1 ÷ 4 = 0.25

e.g. Decimal fraction  2 ¾ = 2 + 3 ÷ 4 = 2.75

Decimal fraction to proper fraction

e.g. 0.2 → 2/10 → 1/5

e.g. 0.7 → 7/10

Homework : Ex 4.2 all questions

## 1st Year Lesson & Homework

January 30, 2008

Today we learned about the range for a set data.

Range = Highest value – lowest value

Homework: Official sheet for Monday + ten quick questions

## 1st Year Lesson & Homework

January 29, 2008

Today we investigated the 3 averages

mean, median and mode.

Median – middle value in a data set

AFTER they have been put in order.

e.g.   Odd set 1 , 2 , 3 , 4 , 5                 Even set 1, 2 , (2.5) 3 , 4

Mode – The most frequently occuring number in a data set.

e.g.   3, 7, 8 , 11 , 12 , 8       mode is 8

Homework Page 115 Ex 6.1 Odd Questions only