加州小学数学教材

a picture to solve.
20. Number Sense Juan has 4 packs of baseball cards. Each pack has ten cards. He has 3 more cards in his pocket. How many baseball cards does Juan have?
Love,
Activity
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7 70 ones =
tens
3 30 ones =
tens
9 90 ones =
tens
You can also group tens and ones.
2 9 tens
ones
2 tens = 20 9 ones = 9
Check
Circle the value of the red digit. 1. 25
2. 34
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1
Number Sense and Patterns
Key Vocabulary ones tens compare pattern estimate
Explore
This caterpillar has a pattern on its body. Can you see it? Draw the pattern below.
Name
Place Value to 100
Get Ready
Main Idea
I will find the place value in numbers to 100.
Vocabulary
digit place value
The place of a digit in a number tells its value. The digits in 29 are 2 and 9. What is the place value of each digit in 29?
Hale Waihona Puke Write the number of each. Circle the group that has more. 1.
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
trucks
cars
Libros recomendados
Monos animados en un desfile de Stuart J. Murphy Harper Collins Publishing, 1999.
El Día de la Tierra — ¡Hurra! de Stuart J. Murphy Harper Collins Publishing, 2004.
Key Vocabulary
The number 38 has 3 tens and 8 ones.
tens
ones
estimate to find a number close to an exact
amount
Click on the eGlossary link at to find out more about these words. There are 13 languages.
24 is two tens and four ones.
2 4 24 ones =
tens
ones
24 20 + 4 =
Chapter 1
Richard Hutchings
Lesson 1
seventeen 17
Check
Write how many.
1.
2.
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
14.
15.
tens
one
+
=
16.
tens +
ones =
17.
tens
ones
+
=
18.
ten
ones
+
=
19.
tens
ones
+
=
tens +
ones =
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
18 eighteen
Name
Practice
Write how many.
8.
9.
ones =
ten
tens =
ones
10.
11.
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
ones =
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Chapter 1
Michael & Patricia Fogden/CORBIS
thirteen 13
Name
Take the Chapter Readiness Quiz at .
Dear Family, Today my class started Chapter 1, Number Sense and Patterns. In this chapter, I will learn to estimate, compare, and order numbers through 100. Here is an activity we can do and a list of books we can read together.
,
,
,
7. Ben found these 5 note cards on the sidewalk.
five
six
one seven
5
6
1
7
Help Ben put the note cards in order.
14 fourteen
This page checks skills needed for Chapter 1.
decenas unidades
estimar hallar un número que se acerca
a una cantidad exacta
Visiten el eGlossary en para averiguar más sobre estas palabras, las cuales se muestran en 13 idiomas.
Books to Read
Spunky Monkeys on Parade by Stuart J. Murphy Harper Collins Publishing, 1999.
Earth Day—Hooray! by Stuart J. Murphy Harper Collins Publishing, 2004.
5 or 50 3. 18
3 or 30 4. 42
8 or 80
2 or 20
5.
Is 3 tens and 9 ones greater than
9 tens and 3 ones? Explain.
Chapter 1 Lesson 2
twenty-one 21
The Father Who Had 10 Children by Benedicte Guettier Penguin Young Readers Group, 2001.
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Eclipse Studios
fifteen 15
Estimada familia:
Hoy mi clase comenzó el Capítulo 1, El sentido numérico y los
patrones. En este capítulo, aprenderé a estimar, a comparar y
El número 38 tiene 3 decenas y 8 unidades.
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El padre que tenía 10 hijos de Benedicte Guettier Penguin Young Readers Group, 2001.
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
tens
Write how many tens and ones. Then write the number.
12.
13.
ones =
tens
tens +
Chapter 1
ones =
tens +
ones =
nineteen 19
Write how many tens and ones. Then write the number.
a ordenar los números hasta 100. A continuación, hay una
actividad que podemos hacer y una lista de libros que podemos
leer juntos.
Cariños,
Actividad
Vocabulario clave
Match the number word and the number.
2. ten
8
3. three
10
4. eight
3
Write the missing numbers.
5.
123
5
8
10
Write the numbers in order from least to greatest.
6. 2, 9, 4, 3
16 sixteen
Eclipse Studios
Name
Tens and Ones
Get Ready
Main Idea
I will group ones to make ten.
Vocabulary
ones tens
You can group 10 ones as 1 ten.
I can group ones to make tens.
baseball cards
20 twenty
Math at Home Activity: Write some 2-digit numbers, such as 67, and have your child tell you how many tens and how many ones (6 tens and 7 ones).
20 2 ones =
tens
ones =
tens
Write how many tens and ones. Then write the number.
3.
4.
3 2 tens
ones
30 + 2 = 32
5.
tens +
ones =
6.
tens
ones
+
=
tens
ones
+
=
7.
Explain how 26 is different from 62.