Math Vocabulary/ Representation Sheet - Grade 1

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Grade 1 Vocabulary/ Representation
Vocabulary
Description
Representation
whole
Number bond uses a part-whole-
part concept to present the
relation between the 3 numbers.
Number Bonds
part
part
5 + 3 = 8
Number Paths are from 1-10 and
Number Path
represent addition and
subtraction. For example 6 and 3
more is 9 or 9 and 6 less is 3.
Rekenreks represent 10 more or
Rekenrek
10 less used in addition and
subtraction for base 10.
Rekenrek
Addition Charts represent
patterns in addition such as
Addition Chart
doubles one more one less, and
10 more and 10 less.
An expression represents a
6 + 3
Expression
mathematical phrase without an
10- 6
equal sign.
5 group columns represent 5
5 Group Columns
more or 5 less.
a ten
represented
as a 5-group
column
MCS 9/23/2014
Page 1

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