Teacher’s Guide for Math All Around: Multiplication on
the Farm
Teachers’ Guide for
Math All Around: Multiplication on
the Farm
Overview
Lesson
Focus
Students will understand these
concepts:
-
the usefulness of multiplication in a real-world
scenario
-
how different methods of multiplication may be used to
calculate the same results
Skills
Objectives
-
asking questions
-
building content vocabulary
-
counting groups in order to multiply
-
using skip-counting to multiply
-
understanding and using symbols for multiplication
-
using multiplication to solve story problems (based on song
lyrics)
Text
Supports
-
Visuals in the text support different multiplication
methods, such as skip-counting (pages 6, 9, and 15) and counting in groups
(pages 11, 12-13, 20-21, and 25). Use the images on pages 12 and 13 to
demonstrate how different combinations of factors (and groupings by row) can add
up to the same product.
-
Numbers are boldfaced throughout the text for ease of
reference.
-
Page 10 is especially useful for introducing important
vocabulary in the context of a story problem. Use this page to make explicit
links between symbols such as the line at the bottom of an equation and an equal
sign. Connect both of these symbols to the word equals. An explicit connection
between the symbol
x and the word
times is also made
on this page. And the concepts of
factors and
product are
explained and related to a specific multiplication fact.
Text
Challenges
-
The term
farrier
(introduced on page 8) will likely be unfamiliar to most students. Use the
context clues and photograph to make sure students understand the term,
encouraging them to reread to clarify, if necessary.
-
ELLs and struggling readers my need help understanding
certain content vocabulary and idiomatic phrases, such as
nanny goats (page
14), of course and
old-fashioned
(page 16), and
cornstalks (page
18). Use pictures, direct definitions, and gestures as necessary to help
students understand these words. Encourage them to try using the words in
sentences. Prompt them with sentence frames as needed.
National
Standards Correlations*
-
Language
Arts,Grades
2-5: 1, 2, 3, 8, 10, 12
-
Mathematics,Grade
2: 1 (Number and Operations), 12 (Connections to the Grade 2
Focal Points); Grade
3: 1 (Number and Operations), 2 (Algebra), 11 (Grade 3
Curriculum Focal Points);
Grade
4: 1 (Number and Operations), 2 (Algebra), 11 (Grade 4
Curriculum Focal Points);
Grade
5: 1 (Number and Operations), 2 (Algebra), 12 (Connections to
the Grade 5 Focal Points)
The book also addresses the following mathematics
benchmarks, for Grades 2-5:
Read the front and back covers aloud with students.
Encourage them to ask questions about the book. Explain that asking questions
before you read and as you read gives your reading purpose: you read to find the
answers to your questions. If students need help generating questions, model a
few, such as "Why would I use multiplication on a farm? I don’t see
animals on the cover, but will the book talk about them?" Write students’
questions down on the board or on chart paper to return to after reading.
-
Preview content vocabulary by directing students to the
glossary. Help students understand both important math terms, such as
factor and
product, and
farm-related terms, including
crops and
farrier. Ask
students if they have any questions or predications about how the words will be
used in the book.
After
reading
-
Review the list of questions that students asked before
reading. Ask if each of them was answered, and if so, what the answers were. If
questions were not answered, ask students where they might look outside the book
for answers. Finally, check if students have come up with any new questions
about farms or multiplication now that they have finished the book. Add these to
the list, along with ideas about where to research answers further.
-
Tell students to work with a partner to find and retell each
of the different places in the book that multiplication is used. Provide sticky
notes if possible, for students to mark the examples and to write any thoughts
they have about how multiplication was useful for explaining a farm-related
situation.
-
Read the book’s final question from page 27. Ask
students if they can think of any examples of using multiplication in their
lives. Ask if they could show a multiplication problem by standing up and lining
up in rows.
Extension Activities
Reading/Language
Arts
-
Provide a large sheet of paper and allow students to work in
pairs or small groups to draw a farm and farm animals together. To avoid
conflicting opinions of what the farm should look like, have only one student
add one item or set of animals at a time to the farm. Encourage students to show
groups of animals or rows of crops. Ask them to write out descriptions as well
as numerical calculations of the things pictured in different groups. For
example: "There are three rows of five corn plants. So there are fifteen corn
plants on the farm." After a set amount of time for creating the farm, have
groups share their drawings with one another.
Math
Find and print the lyrics to the John Denver song
"Grandma’s Feather Bed" from an online source. Possible Web sites to find
the lyrics include this
one or this
one. The chorus of the song lists the numbers of various farm animals
that are involved in some way with a (presumably enormous) feather bed. Have
students make a list of the animals on the bed and the numbers of each. Note
that you will need to explain some slang terms, such as "forty ’leven
geese." This actually leads to a multiplication problem for advanced students!
It means, of course, that there were 40 x 11 geese. You can have them calculate
this, or ignore it (the geese aren’t actually on the bed in the song,
anyway). Meanwhile, you can either explain or tell students to ignore the phrase
"whole bolt of cloth for the tick" since it doesn’t involve any animals.
In the end, the students should create a list that looks like what
follows:
-
40 x 11 = 440 geese (this listing is optional)
-
8 kids
-
4 hound dogs
-
1 piggie from the shed
Once students have created a list of the animals involved
with this one bed, ask them how many of each animal would be involved if Grandma
had two feather
beds just like this. Ask how many animals there would be for
three beds.
Encourage students to use any multiplication method they used from the book to
calculate their answers. (Again, you may have students disregard the geese or
offer this as a challenge for advanced students.) As a closing activity, find a
recording of the song, play it, and have a sing-along or have students hold up
fingers when the numbers of animals are mentioned.