Concept of
20
(contains 32
worksheets)
This reproducible workbook
takes
the student from
the concept of 10 to the concept of
20.
As some children find it
difficult
to move over the number 10, some different
strategies
are used to teach the concept of 20.
• Compare, order and
represent
numbers
from 1 to 20
• Add 1
to
any number in the range of 20
• Subtract 1 from any
number
in the range
of 20
• Gradually
progress to add on or subtract
2, 3, 4, 5, 6, 7, using the aid of a 1 to
20
number line
• Learn that two
tens
equal 20 ones
This workbook has been a
successful
resource in both, special education and home
school.
SAMPLE
PAGES,
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