This document contains a series of math exercises involving writing out numbers, years, decimals, percentages, ordinals, and dates in words. The exercises cover skills like writing out numbers with digits and words, writing out years, decimals and percentages, ordinals, and dates in different date formats. The exercises are broken into 11 sections with increasing levels of complexity.

1. UNIT 01 September
1. Write down how these numbers are read:
HTh TTh Th H T O
1 5 4 2 8
2 7 1 0 6
4 0 3 7
5 1 4 0 3 7
1 0 0 7 0 8
9 0 0 5 0
2 0 0 0 2 0
2. Write these numbers using digits:
M HTh TTh Th H T O
Fourteen thousand, one hundred and ninety-five
Three hundred and fourteen thousand, one hundred
and ninety-five
Two million, three hundred and fourteen thousand,
one hundred and ninety-five
Nine thousand and nine
One thousand and five
Three thousand and fifty
Three hundred, two thousand and forty
Five hundred thousand, one hundred and one
Six million, three hundred, three thousand, and
seventy
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises - 1.1.1

2. UNIT 01 September
3. Write down how these numbers are read:
6,308
5,014
27,500
6,825,000
12,506,820
10,002,030
92,005,035
10,002,003
4. Write these numbers using digits:
Nine thousand, six hundred and forty
Eight thousand and eight
Thirty thousand and nine hundred
Nine hundred and fifty thousand
Five million and forty thousand
Twelve million, three hundred and fifty-four thousand
One hundred thousand and twenty
Seven million, sixty thousand and ninety
5. Write the following unit amounts using both digits and words:
Three thousands and three hundreds.
Fourteen thousands and eight tens.
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises - 1.1.2

3. UNIT 01 September
One ten thousand, five thousands, three hundreds and two ones.
6. Write in words the following numbers as in the example:
Billions
Period
Millions
Period
Thousands
Period
Ones
Period
8, 1 0 3, 4 5 6
eight million,
one hundred and three thousand,
four hundred and fifty-six
6 6 6
6, 9 2 9
9 3, 4 0 2
5 1 0, 1 8 3
6, 7 4 8, 0 7 0
9 1, 6 5 2, 3 0 9
3 3 8, 5 6 9, 4 6 5
7, 4 2 0, 7 5 8, 0 3 0
7. Write in words the following years:
1871
1999
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises - 1.1.3

4. UNIT 01 September
2001
2009
2012
1901
1562
8. Write in words the following decimals and percentages:
0.367
12.65
0.005
12 %
25 %
1.5 %
36.5 %
9. Write in words:
2-0 (football)
30-0 (tennis)
614 752 222
(phone number)
0 °C
4-0 (football)
37.5 °C
0034 A (Flight)
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises - 1.1.4

5. UNIT 01 September
10. Write in words the following ordinal numbers:
58th
42nd
12th
51st
75th
100th
105th
11. Write in words the following names and dates:
Elizabeth II
John Charles I
George VI
28/09/15 (BrE)
31/12/15 (BrE)
12/31/15 (AmE)
09/28/15 (AmE)
Axel Cotón Gutiérrez Mathematics 1º ESO Exercises - 1.1.5