2.Numbers and Fractions

1. Learn the following table:

Cardinal Numbers

Ordinal Numbers

2. Learn how to read large numbers:

Divide the number into units of hundreds and thousands:

400,000 = four hundred thousand (no s plural)

I f the number includes a smaller number, use "and" in British English:

450,000 = four hundred and fifty thousand

400,360 = four hundred thousand three hundred and sixty

Fractions

3. Learn how to read fractions:

Symbol	Word
1/8	One eighth
1/5	One fifth
1/4	One quarter
3/4	Three quarters
1/3	One third
2/3	Two thirds
1/2	One half

Percents

4. Learn how to read percents:

Phone Numbers

5. L earn how to read phone numbers:

Each figure is said separately.

24 - two four

The figure 'O' is called oh.

105 - one oh five

Pause after groups of 3 or 4 figures (last group).

376 4705 - three seven six, four seven oh five

If two successive figures are the same, in British English you would usually use the word double (in American English you would just say the figure twice)

376 4775 - BE: three seven six, four double seven five

376 4775 - AE: three seven six, four seven seven five

6. Learn how to read dates:

Dates

I n English, we can say dates either with the day before the month, or the month before the day:

The first of January / January the first.

Remember to use ordinal numbers for dates in English.

(The first, the second, the third, the fourth, the fifth, the twenty-second, the thirty-first etc.)

Years

F or years up until 2000, separate the four numbers into two pairs of two:

1965 = nineteen sixty-five

1871 = eighteen seventy-one

1999 = nineteen ninety-nine

For this decade, you need to say "two thousand and —" when speaking British English:

2001 = two thousand and one

2009. two thousand and nine

7. Complete the puzzle. Write the numbers in words:

3.Quantitative Characteristics

Calculations

1. John is Helping Peter with his calculator:

2. Repeat:

A: Please add 15.15 and 30.1

B: 15.15 plus 30.1 is 45.25

A: Subtract that from 90

B: 90 minus 45.25 is 44.75

A: Now multiply 44.75 by 2

B: 44.75 times 2 is 89.5

A: And divide that by 5

B: 89.5 divided by 5 is 17.9

3. Read out these sums. Give answers:

EXAMPLE: a) 13.3 plus 60.17 is 73.3

1. 13.3+60.17 = ?

2. 40.02 – 20.02 = ?

3. 18.18 : 9 = ?

4. 70 · 4 = ?

5. 16.55 – 14 = ?

6. 20.08 · 3 = ?

7. 15 : 3 = ?

8. 14.14 + 3.03 = ?

9. 7017 – 4004 = ?

10. 16 + 2.125 = ?

11. 5 : 2.5 = ?

12. 13.3 · 3 = ?

4. Read out these problems. Solve them:

EXAMPLE: a) 98.4 · 5 = 492 492 : 12 = 41

1. M ultiply 98.4 by 5 and divide the answer by 12.

2. Add 33.5 to 26.35 and subtract 45.8 from the answer.

3. Divide 40.5 by 5, and multiply the answer by 8.

4. Add 235.08 to 51.73 and subtract the answer from 326.2.

5. Subtract 54.93 from 85.01. Add 2.27. Subtract the answer from 61.9.

5. Read out these problems. Solve them:

1. 25 + 34 = ? c) 12.5 – 0.5 = ?

2. 34 × 2 = ? d) 72 : 4 = ?

5. (20 + 12)×3 = ? f) (56 – 42) : 7 = ?

6 .Solve this problem: How thick is the frame? Read out your calculations:

EXAMPLE: a) 1. 58 ×_____ = ________

2. 184 - _____ = ________

3. _____ : _____ = _______

4. The thickness of the frame is ____ mm.

7.How do we calculate these? Make instructions:

EXAMPLE: a) 1. Multiply 0.5 by 1.5 (0.5×1.5 = 0.75)

2. Now multiply 0.75 by 1 (0.75×1= 0.75)

3. The volume of the box is 0.75 cubic metres.

VOCABULARY

1.	to add		додати
2.	to subtract		відняти
3.	to multiply by		помножити на
4.	to divide by		поділити на
5.	plus		плюс
6.	minus		мінус
7.	to equal		рівняється