Lessons and Tools for Teachers

#### Lessons for Numbers

Page 9 of 1000 results

• Related Number Pairs - … and display related pairs of numbers, such as the relationship of the number of insects to the total number of legs. Mathematics Overview … ,4), (3,6), (4,8), (5,10), . . .}. The number pairs show (number of bikes, number of tires)." (3.16B) 2. Allow the groups … number of angles in the shape + the number of feet in a measurement compared to the number of inches in that measurement + the number of people compared to the number of …
• Building Shapes from Numbers - … occurrence. Nice numbers turn out to be triangular numbers. Illustrate a square and a triangular number on the board. A number that can be … numbers and consecutive odd numbers. Ask the students to copy and complete these two sentences: Triangular numbers are found by adding ____ . Square numbers … seconds. Ask what this sequence of numbers is called. (square numbers) Have the students write a number sequence representing the distances traveled by …
• Zero Is Our Hero - … of the smallest number. Encourage discussion about correct placement of these numbers, and continue arranging and rearranging until the numbers are placed smallest … our list of smallest numbers? Did we select zero as the smallest number? Did we find any smaller numbers than zero?" Answers will … spite of the fact that he refused to use negative numbers!) Many number systems did not use the concept of zero. Explore …
• Patterns and Possibilities - … top row of numbers. What number pattern do you recognize?" (Each number increases by three.) "Observe the second row of numbers. Is there a … that number.) Ask for identification of the pattern in all composite numbers. (All have the one times that number pattern as with prime numbersnumbers?" (No. Odd numbers are not necessarily prime numbers.) "Does the size of the number necessarily mean it has more factors than the preceding number