CHAPTER RESOURCES • Chapter 7
CHAPTER RESOURCES ? Chapter 7
Add and Subtract Fractions
INCLUDES ? School-Home Letter ? Vocabulary Game Directions ? Daily Enrichment Activities ? Reteach Intervention for every lesson ? Chapter 7 Test ? Chapter 7 Performance Task ? Answer Keys and Individual Record Forms
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Contents
Chapter 7 School-Home Letter (English) ....................................................... 7-1 Chapter 7 School-Home Letter (Spanish) ...................................................... 7-2 Vocabulary Game .......................................................................................... 7-3 7.1 Reteach .................................................................................................... 7-5 7.1 Enrich ....................................................................................................... 7-6 7.2 Reteach .................................................................................................... 7-7 7.2 Enrich ....................................................................................................... 7-8 7.3 Reteach .................................................................................................... 7-9 7.3 Enrich ..................................................................................................... 7-10 7.4 Reteach ...................................................................................................7-11 7.4 Enrich ..................................................................................................... 7-12 7.5 Reteach .................................................................................................. 7-13 7.5 Enrich ..................................................................................................... 7-14 7.6 Reteach .................................................................................................. 7-15 7.6 Enrich ..................................................................................................... 7-16 7.7 Reteach .................................................................................................. 7-17 7.7 Enrich ..................................................................................................... 7-18
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Table of Contents
7.8 Reteach .................................................................................................. 7-19 7.8 Enrich ..................................................................................................... 7-20 7.9 Reteach .................................................................................................. 7-21 7.9 Enrich ..................................................................................................... 7-22 7.10 Reteach ................................................................................................ 7-23 7.10 Enrich ................................................................................................... 7-24 Chapter 7 Test ............................................................................................. 7-25 Chapter 7 Performance Task ....................................................................... 7-31
Answer Keys ................................................................................................ 7-36 Individual Record Forms .............................................................................. 7-43
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Table of Contents
7 Letter Chapter School-Home
Dear Family,
During the next few weeks, our math class will be learning how to add and subtract fractions and mixed numbers. First, we will use models to find the sums or the differences. Then we will record equations to match our models. Finally, we will add and subtract without using models.
You can expect to see homework that provides practice adding and subtracting fractions with and without models.
Here is a sample of how your child will be taught to add fractions using fraction strips.
denominator The number in a fraction that tells how many equal parts are in the whole or in the group
fraction A number that names a part of a whole or part of a group
mixed number A number represented by a whole number and a fraction
numerator The number in a fraction that tells how many parts of the whole or group are being considered
unit fraction A fraction that has a numerator of 1
Add Fractions Using Models
This is how we will be adding fractions using fraction strips.
Model
1__ 6
1
3_6_.
Tips
Renaming as a Mixed Number
1 6 STEP 1
Each section represents 1 sixth. How many sixths are there in all? 4 sixths
3 6
STEP 2
Write the number of sixths as a fraction.
4
sixths
=
4__ 6
1__ 6
+
3__ 6
=
4__ 6
Activity
When the numerator is greater than the denominator, you can rename the sum or the difference as a mixed number.
9 _ 8
=
8 _ 8
+
1 _ 8
=
1
+
1 _ 8
= 11_8
Have your child use measuring cups to practice addition and
subtraction
of
fractions.
For
example,
to
model
1 _
4
+
3_4,
have
your
child
use rice to fill one measuring cup to the 1_4-cup mark and another
measuring cup to the 3_4-cup mark. Then ask him or her to combine the
amounts
to
find
the
sum,
4 _
4
or
1
whole
cup.
Chapter Resources
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