Monograph No. 11 (Mislabeled)
Making Math Make Sense in the Primary Classroom
February 2000
Publication of the Mathematics Council of The Alberta Teachers’ Association
Editor A. Craig Loewen
10 – 21
Activities for Number Strand – Number Concepts
Count to 1000 by Is, 2s, 5s and 10s and to 100 by 25s using starting points that are multiples of I , 2, 5, 10 and 25 respectively.
Estimate, then count the number of objects in a set (0-100) and
compare the estimate with the actual number.
Recognize, build, compare and order sets that contain 0-100
elements.
Represent and describe numbers lo 100 in a variety of ways.
Demonstrate place value concepts to give meaning to numbers up to 100.
Round numbers to the nearest 10.
Read and write numerals to 100.
Read and write number words to 20.
Use ordinal numbers to 3.
Explore the representation of numerals (0-100) using a calculator or a computer lo display numerals.
Demonstrate if a number from 1 to 100 is even or odd.
Illustrate and explain halves, thirds and fourths as part of a region or a set.