My class started Chapter 4 this week. In this chapter, I will learn...
Transcript of My class started Chapter 4 this week. In this chapter, I will learn...
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Chapter 4 seventy-one P71
Chapter
4
Dear Family,My class started Chapter 4 this week. In this chapter, I will learn about subtraction strategies and how to solve subtraction word problems.
Love,
Vocabulary
count back a way to subtract by
counting back from the larger number
8 2 1 5 7
Start at 8.
Count back 1.
You are on 7.
Home Activity
Have your child practice counting from
1 to 8 and then from 8 to 1. Display
numbers 1–8 on a piece of poster board
or notebook paper. Each day, work with
your child to solve simple subtraction
problems by counting back 1, 2, or 3
using the list of numbers.
8 2 2 5 6
LiteratureLook for these books in
a library. Reading them
together will reinforce
your child’s learning.
Monster Musical Chairs
by Stuart J. Murphy.
HarperCollins Children’s
Books, 2000.
Ten Little Ladybugs
by Melanie Gerth.
Piggy Toes
Press, 2001.
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P72 seventy-two
Capítulo
4
Querida familia:Mi clase comenzó hoy el Capítulo 4. En este capítulo, apren-deré estrategias de resta y a resolver problemas de resta en palabras.
Con cariño,
Actividad para la casa
Pida a su hijo que cuente de 1 a 8 y de 8
a 1. Muestre los números de 1 a 8 en una
cartulina o una hoja de cuaderno. Cada día,
practique con su hijo resolver problemas
simples de resta contando hacia atrás 1, 2 ó
3, en la lista de los números anotados.
8 2 2 5 6
Vocabulario
contar hacia atrás un modo de restar
contando hacia atrás de un número mayor
8 2 1 5 7
Comienza en 8.
Cuenta hacia atrás 1.
Quedas en 7.
LiteraturaBusquen estos libros en la
biblioteca. Si los lee con su
hijo, ayudará a reforzar su
aprendizaje.
Monster Musical
Chairs
Stuart J. Murphy.
HarperCollins Children’s
Books, 2000.
Ten Little Ladybugs
Melanie Gerth. Piggy
Toes Press, 2001.
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1. —
5 7 2 3 2. 8 2 3 5 — 3. 4 2 3 5 —
4. —
5 9 2 1 5. —
5 7 2 1 6. —
5 6 2 2
7. 6 2 1 5 — 8. 5 2 3 5 — 9. —
5 11 2 3
10. 5 2 2 5 — 11. 10 2 2 5 — 12. —
5 10 2 3
13. —
5 9 2 3 14. 4 2 2 5 — 15. —
5 7 2 2
16. —
5 12 2 3 17. 8 2 1 5 — 18. 11 2 2 5 —
19. —
5 9 2 2 20. 3 2 1 5 — 21. —
5 4 2 1
Count Back
Count back 1, 2, or 3. Write the
difference.
Chapter 4 seventy-three P73
Write a subtraction sentence to solve.
22. Tina has 12 pencils.
She gives away 3 pencils.
How many pencils are left?
Lesson 4.1
— pencils
— 2 — 5 —
COMMON CORE STANDARD MACC.1.OA.3.5
Add and subtract within 20.
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Lesson Check (MACC.1.OA.3.5)
1. Count back 3. What is the difference?
— 5 10 2 3
13 10 7 3 l l l l
2. Count back 2. What is the difference?
7 2 2 5 —
2 3 4 5 l l l l
Spiral Review (MACC.1.OA.1.1, MACC.1.OA.3.6)
3. What is the sum of 4 1 4? (Lesson 3.3)
7 8 9 10 l l l l
4. There are 4 big dogs and
3 small dogs. How many
dogs are there? (Lesson 1.3)
1 3 4 7 l l l l
P74 seventy-four
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Think Addition to Subtract
Use to add and to subtract.
1.
2. 3. 11
2 7
_
?
4. 13
2 4
_
?
5. 14
2 6
_
?
Chapter 4 seventy-five P75
6. Write a number sentence to solve.
I have 18 pieces of fruit.
9 are apples.
The rest are oranges.
How many are oranges?
9
2 3
_
11
2 7
_
14
2 6
_
15
2 8
_
13
2 4
_
Think
Think
Think
Think
Think
So
So
So
So
So
— — —
— oranges
8
1 B _
15
3
1 B _
9
7
1 B _
11
4
1 B _
13
6
1 B _
14
9
2 3
_
?
15
2 8
_
?
COMMON CORE STANDARD MACC.1.OA.2.4
Understand and apply properties of
operations and the relationship between
addition and subtraction.
Lesson 4.2HANDS ON
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1. Use the sum of 7 1 9 to solve 16 2 9.
6 7 8 9 l l l
2. What is the missing number?
4 5 9 10 l l l
Spiral Review (MACC.1.OA.1.1, MACC.1.OA.2.3)
3. What is the sum? (Lesson 3.10)
4 1 4 1 6 5 —
10 14 15 16 l l l l
4. There are 4 birds.
3 birds fly away.
How many birds
are there now? (Lesson 2.1)
1 3 4 7 l l l l
Lesson Check (MACC.1.OA.2.4)
14 2 5
_
B 5
1 B
__
14
P76 seventy-six
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13. Solve. Draw or write to show your work.
I have 15 nickels.
Some are old. 6 are new.
How many nickels are old?
— nickels
Use Think Addition to Subtract
Think of an addition fact
to help you subtract.
1. 2.
3. 4. 5. 6. 7.
12. 8. 9. 10. 11.
13 2 8
_
12 2 4
_
12 2 6
_
14 2 8
_
16 2 7
_
15 2 7
_
Chapter 4 seventy-seven P77
11 2 8
_
13 2 6
_
10 2 7
_
8
1 B
_
13
6
1 B
_
12
2.
COMMON CORE STANDARD MACC.1.OA.2.4
Understand and apply properties of
operations and the relationship between
addition and subtraction.
6 2 4
_
9 2 5
_
14 2 9
_
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P78 seventy-eight
Lesson Check (MACC.1.OA.2.4)
1. Use 9 1 — 5 13 to find the difference.
13 2 9 5 —
0 2 4 6 l l l l
2. Use 8 1 — 5 11 to find the difference.
11 2 8 5 —
3 4 5 18 l l l l
Spiral Review (MACC.1.OA.3.5, MACC.1.OA.3.6)
3. What is the sum of this doubles plus one fact? (Lesson 3.5)
4 1 5 5 —
7 8 9 10 l l l l
4. Count on to solve 7 + 2. (Lesson 3.2)
4 5 8 9 l l l l
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Chapter 4 seventy-nine P79
Solve. Use the ten frames to
make a ten to help you subtract.
3. Marta has 15 stickers.
8 are blue and the rest are red.
How many stickers are red?
— stickers
Use 10 to Subtract
Use and ten frames. Make a
ten to subtract.
Draw to show your work.
1. 12 2 9 5 ? —
12 2 9 5 —
2.
12 2 8 5 ? —
12 2 8 5 —
Lesson 4.4HANDS ON
COMMON CORE STANDARD MACC.1.OA.3.6
Add and subtract within 20.
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Lesson Check (MACC.1.OA.3.6)
P80 eighty
1. Which subtraction sentence
do the ten frames show?
13 2 3 5 10 13 2 9 5 4l l
14 2 4 5 10 14 2 5 5 9l l
Spiral Review (MACC.1.OA.3.6)
2. What addition sentence does
this model show? (Lesson 3.8)
3 1 2 5 5 5 1 2 5 7l l
10 1 1 5 11 11 1 1 5 12l l
3. Which way shows how to
make a ten to find 8 1 5?
(Lesson 3.9)
5 1 3 1 2 8 1 2 1 3l l
10 1 2 1 3 10 1 3 1 2l l
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Chapter 4 eighty-one P81
Use the ten frames. Write a number sentence.
2. There are 17 goats in the barn. 8 goats go outside.
How many goats are still in the barn?
Break Apart to Subtract
Subtract.
1. What is 13 2 5?
— 2 — 2 —
— 2 — 5 —
So, 13 2 5 5 — .
— 2 — 2 —
— 2 — 5 —
So, — 2 — 5 — .
Lesson 4.5COMMON CORE STANDARD MACC.1.OA.3.6
Add and subtract within 20.
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Lesson Check (MACC.1.OA.3.6)
P82 eighty-two
Spiral Review (MACC.1.OA.1.1, MACC.1.OA.3.6)
2. Which shows a way to take apart 7? (Lesson 2.8)
8 2 7 5 1 7 2 1 5 6l l
6 1 1 5 7 1 1 6 5 7l l
3. Which is a doubles minus one fact? (Lesson 3.6)
7 1 7 = 14 7 1 5 = 12l l
8 1 7 = 15 8 1 8 = 16l l
1. Which way shows how to
make a ten to find 12 – 4?
12 2 2 2 2 10 2 4 l l
12 2 1 2 1 10 2 1 l l
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PROBLEM SOLVINGLesson 4.6
Name
Act it out to solve.
Draw to show your work.
Chapter 4 eighty-three P83
1. There are 13 monkeys.
6 are small. The rest are big.
How many monkeys are big?
13 2 6 5
— monkeys are big.
2. Mindy had 13 flowers. She
gave some to Sarah. She
has 9 left. How many flowers
did she give to Sarah?
13 2 5 9
Mindy gave — flowers to Sarah.
3. There are 5 more horses
in the barn than outside.
12 horses are in the barn.
How many horses are
outside?
12 2 5 5
— horses are outside.
4. Kim has 15 pennies.
John has 6 pennies.
How many fewer pennies
does John have than Kim?
15 2 6 5
John has — fewer pennies.
COMMON CORE STANDARD MACC.1.OA.1.1
Represent and solve problems involving
addition and subtraction.
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P84 eighty-four
Lesson Check (MACC.1.OA.1.1)
1. Jack has 14 oranges.
He gives some away.
He has 6 left.
How many oranges did he give away?
3 4 7 8 l l l l
2. 13 pears are in a basket.
Some are yellow and some
are green. 5 pears are green.
How many pears are yellow?
6 7 8 9 l l l l
Spiral Review (MACC.1.OA.1.2, MACC.1.OA.3.6)
3. Rita has 4 plants.
She gets 9 more plants.
Then Rita gets 1 more plant.
How many plants does she have now? (Lesson 3.12)
14 13 10 5 l l l l
4. What is the sum of 10 + 5? (Lesson 3.7)
15 10 5 4 l l l l
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Chapter 4 Extra Practice
Lesson 4.1 (pp. 153–156)
Chapter 4 eighty-five P85
Lesson 4.2–4.3 (pp. 157-163)
Think of an addition fact
to help you subtract.
Count back 1, 2, or 3.
Write the difference.
1. 10 2 3 5 —
2. — 5 11 2 3
3. 9 2 2 5 —
4.
— 5 6 2 15.
— 5 4 2 26.
8 2 3 5 —
COMMON CORE STANDARDS MACC.1.OA.1.1,
MACC.1.OA.2.4, MACC.1.OA.3.5, MACC.1.OA.3.6
3. 4. 5. 6. 7.
1. 2. 13
2 9
_
14 2 5
_
12 2 9
_
13 2 6
_
15 2 8
_
5 2 4
_
14 2 7
_
9
1
_
13
7 1
_
14
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P86 eighty-six
Lesson 4.4 (pp.165–168)
Use and ten frames.
Make a ten to subtract.
Draw to show your work.
1. 16 2 9 5 ? —
16 2 9 5 —
2. 13 2 8 5 ? —
13 2 8 5 —
Lesson 4.5 (pp. 169–172)
Subtract.
1. What is 15 2 7?
2 — 2 —
— 2 — 5 —
So, 15 2 7 5 — .
—