M 3.3

Introduce situations in which students use integers to indicate size : Real-life situations; Relate to measurement

Noun - Integers

Verb - Indicate size

Content: Positive integers to indicate size for measurement

Related Article:

The links below is a link related to counting groups of objects:

• https://www.youtube.com/watch?v=3RywqqJkM8I

Instructional Strategies & Learning Tasks

Manipulative:

1. Collection of objects
2. Number Charts

Instructional Strategies

• Ask questions in everyday situations that encourage students to count up to 100 objects.
• Show students a set of objects in a variety of arrangements (spread out, close together, in rows) and ask them for efficient methods of counting. Look for groupings of ten and evidence of counting on.
• Ask students to explain how they know how many are in a set.

Learning Tasks:

Task 1

• Use a variety of counting materials to make groupings and combine addends. Model with symbols on the place value chart and count groupings (addends) on the 100 chart.

Task 2

• Model addends with groupings of ten (Popsicle sticks, pipe cleaners, etc.). Use place value chart and 100 chart to show sums. Represent result with symbols.

Assessment

Task 1

• Provide students with a collection of objects to count (not more than 100). Ask students to count the objects in a variety of ways. Observe the strategies employed by students.

Task 2

• Provide students with two groups of objects (total not more than 100). Tell how many are in the first group and ask students to find the total of both groups. Observe the strategies employed by students.

Sample Lesson Plan