Grade 4 Mathematics22Lesson 3, Number and Number Relations Grade 4 Mathematics
Number and Number Relations: Lesson 3
Read aloud to the students the material that is printed in boldface type
inside the boxes. Information in regular type inside the boxes and all
information outside the boxes should not be read to students. Possible
student responses are included in parentheses after the questions.
NOTE: The directions read to students may depend on the available
materials. Read only those parts of the lesson that apply to the materials you
Any directions that ask you to do something, such as to turn to a page or to
hand out materials to students, will have an arrow symbol (þ) by them.
Purpose of Lesson 3:
· In this lesson, the tutor and the students will
ü understand the concepts of addition and subtraction,
ü see the relationship between addition and subtraction, and
ü determine which operation is needed to solve a problem.
· About 30 counters, beans, cubes, etc. If possible, party favor stores have
cute little animals or toys that are great to have the students use as
counters. Use anything to make the activities more interesting.
· Copies of Student Sheets 9 – 11
· Paper and pencils
Preparations before beginning Lesson 3:
· Gather 30 counters.
· Run off 1 copy of Students Sheets 9 – 11 for each student.
· Have paper and pencils available.
Grade 4 Mathematics23Lesson 3, Number and Number Relations Lesson 3: Number and Number Relations
It is extremely important that addition and subtraction be introduced and
taught with real-world ideas. When students just see naked numbers,
numbers without any context, they tend to memorize rules that they soon
forget or use incorrectly. In this lesson, you will focus on helping the
children understand what it means to add or to subtract. You will also focus
on choosing which operation to use to solve a problem. Operations refer to
addition, subtraction, multiplication, and division. When you use