Math Vocabulary/ Representation Sheet - Grade 1 Page 2
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1
2
3Composing Numbers are number that are put
Compose
together to create one number. For example;
And
300 + 30+3 = 331. Decomposing means to take
Decompose
apart a number for example; 333 = 300 + 30 +3.
(Addition & Subtraction)
Level 1: Count all
Level 2: Count on
Level 3: Decompose an addend to compose
ten
Comparing number that are
greater than or less that and
Comparison
representing the numbers using
a 5 group column.
Greater than and less a number
represented by an arrow and 10
Arrow Notation
more or 10 less.
26 is ten more
then 36
tens
ones
3
4
The value of a number
Place Value Chart
according to the place it holds.
MCS 9/23/2014
Page 2
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