raz lj23 number12
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Number Twelve
A Reading A–Z Level J Leveled Book
Word Count: 300
LEVELED BOOK • J
Number
Twelve
Written by Beverly Osborn
Visit www.readinga-z.com
for thousands of books and materials.
www.readinga-z.com
Number
Twelve
Written by Beverly Osborn
www.readinga-z.com
Table of Contents
Number Twelve Is Everywhere!. . . 4
How We Learned to Count. . . . . . 6
A Ruler Is Twelve Thumbs Long. . 12
Twelve Hours in a Day. . . . . . . . 14
Glossary . . . . . . . . . . . . . . . . . 16
Number 12 • Level J
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Table of Contents
Number Twelve Is Everywhere!. . . 4
How We Learned to Count. . . . . . 6
Number Twelve Is Everywhere!
A Ruler Is Twelve Thumbs Long. . 12
We use the number twelve
Twelve Hours in a Day. . . . . . . . 14
to help us do things every day.
Glossary . . . . . . . . . . . . . . . . . 16
Number 12 • Level J
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It helps us to count things,
measure length, and tell time.
4
Did you ever wonder why
a year has twelve months?
A ruler has twelve inches?
A clock has twelve hours?
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How We Learned to Count
Did you ever wonder why
Long ago, people needed
a year has twelve months?
an easy way to count things.
A ruler has twelve inches?
How many goats did they have?
A clock has twelve hours?
How many bricks did they need?
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6
They didn’t have pencils, but
they always had their fingers.
How could their fingers
help them count things?
Number 12 • Level J
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Your hand has four fingers
They didn’t have pencils, but
and one thumb.
they always had their fingers.
Fingers bend into three parts.
How could their fingers
All of your finger parts
help them count things?
add up to—twelve!
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8
To learn how people counted,
use the thumb of your other hand.
Count the parts of each finger.
One, two, three, four, five, six . . .
Number 12 • Level J
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Using their fingers, people could
To learn how people counted,
count their farm animals.
use the thumb of your other hand.
They might count six chickens,
Count the parts of each finger.
three sheep, and three goats.
One, two, three, four, five, six . . .
They had twelve animals!
Number 12 • Level J
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10
When their animals had babies,
it was easy to count them, too.
Using both hands, people
could count to twenty-four.
Twenty-four is two twelves!
Number 12 • Level J
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A Ruler Is Twelve Thumbs Long
When their animals had babies,
Fingers, and the number twelve,
it was easy to count them, too.
were also used to find length.
Using both hands, people
An inch was the width
could count to twenty-four.
of an adult man’s thumb.
Twenty-four is two twelves!
A foot was twelve thumbs long.
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12
Soon, people cut twelve marks
for thumb widths on a stick.
It was easy to carry the stick.
That stick was the first kind
of twelve-inch ruler!
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Twelve Hours in a Day
People used the number twelve
Soon, people cut twelve marks
to divide their days into parts,
for thumb widths on a stick.
or hours, that they could count.
It was easy to carry the stick.
In daylight, they watched the
That stick was the first kind
shadow of a stick or a sundial
of twelve-inch ruler!
to know what hour it was.
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14
Twelve things are also called
a dozen.
We buy a dozen pencils in a box.
We buy a dozen doughnuts
or a dozen eggs.
The number twelve helps us
to do a dozen things every day!
Number 12 • Level J
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Glossary
bend (v.)
to move something
straight into a curve or
an angle (p. 8)
daylight (n.) the light of the Sun (p. 14)
length (n.)
the measurement of
something from end to end
(p. 12)
measure (v.) to find the size or amount
Twelve things are also called
a dozen.
We buy a dozen pencils in a box.
We buy a dozen doughnuts
or a dozen eggs.
of something (p. 4)
ruler (n.)
a straight stick used to
measure length in inches
or centimeters (p. 5)
sundial (n.)
a kind of shadow clock that
uses the rays of the Sun to
tell time (p. 14)
width (n.)a measurement from side
The number twelve helps us
to side, or across (p. 12)
to do a dozen things every day!
Number 12 • Level J
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16
Number Twelve
A Reading A–Z Level J Leveled Book
Word Count: 300
LEVELED BOOK • J
Number
Twelve
Written by Beverly Osborn
Visit www.readinga-z.com
for thousands of books and materials.
www.readinga-z.com
Number
Twelve
Written by Beverly Osborn
Photo Credits:
Front cover: © Batman2000/123RF; back cover: © Ingrid Balabanova/123RF;
title page: © iStockphoto.com/kycstudio; page 3: © iStockphoto.com/Kieran
Flynn; page 4: © iStockphoto.com/Alena Brozova; page 5: © Germain Ariel
Berra/123RF; page 6: © iStockphoto.com/Patricia Hofmeester; page 7:
© iStockphoto.com/Peeter Viisimaa; page 8: © iStockphoto.com/Igor Vorobyov;
pages 9, 12, 13: © Craig Frederick/Learning A-Z; page 10 (top): © Jose Manuel
Gelpi Diaz/Dreamstime.com; (center): © Isselee/Dreamstime.com; (bottom)
Eric Isselee/123RF; page 11 (hands): © Juan Nel/Dreamstime.com; (sheep):
© Fotosergio/Dreamstime.com; page 14 (main): © Cate Frost/123RF; (left
inset): © iStockphoto.com /Alistair Scott; (right inset): © Hemera Technologies/
Jupiterimages Corporation; page 15 (top): © iStockphoto.com/Kenneth Zirkel;
(bottom): © iStockphoto.com /Feng Yu; (sides): © iStockphoto.com/bluestocking
Number Twelve
Level J Leveled Book
© Learning A–Z
Written by Beverly Osborn
All rights reserved.
www.readinga-z.com
www.readinga-z.com
Correlation
LEVEL J
Fountas & Pinnell
Reading Recovery
DRA
J
17
18
