What’s My Number?
Grade Level (s): Kindergarten, 1st, and 2nd
OVERVIEW
Students will reinforce the concept of greater than/less than and
stimulate higher order thinking and number sense.
OBJECTIVE
Given a greater than or less than statement, the students will be
able to eliminate numbers on a number line to determine an
unknown number with 95% accuracy.
K.1.2
STANDARDS
Compare sets of up to ten objects and identify
whether one set is equal to, more than, or less than
another.
MATERIALS
PROCEDURE
EVALUATION
Access to Zoho Noteboook
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Draw a number line from 0 to 25 on ZOHO notebook
Label each number
Tell the students you are thinking of a number between 0 and 25
They are to ask questions in order to find out what the number is
The questions must be in the format of, Is it greater than/Is it less than?
Answer the questions yes or no, then indicate which numbers are eliminated by
the questions
 Simply use the line tool to eliminate possible answers
 Encourage the students to ask questions which will eliminate the most possible
numbers
 No guessing is permitted at first
 The students may guess specific numbers only after the field has been
narrowed down to 5 numbers
Students will answer on their own in the application then share notebooks with
classmates to evaluate each other. Then they will correct and share with the teacher
for final correction
Adapted by Keithia Hayden using:
http://www.eduref.org/Virtual/Lessons/Mathematics/Arithmetic/ATH0040.html