Page 17 - PlayFacto_A1
P. 17
2 Number
sentences
Write addition and subtraction sentences using
Unit Objective numbers and mathematical symbols.
.Learn how to write number sentences based on the concept of
composing and decomposing and 1-digit addition and subtraction.
.Understand the principle of calculating and learn how to formalize
using 1-digit addition and subtraction and materials.
.Learn the equality sign ‘=’ that is a mathematical symbol used to
indicate equality and make various number sentences using ‘=’.
NCTM Standards
Number and Operations
.Understand various meanings of addition and
subtraction of whole numbers and the relationship
between the two operations.
14 Workbook A-1
sentences
Write addition and subtraction sentences using
Unit Objective numbers and mathematical symbols.
.Learn how to write number sentences based on the concept of
composing and decomposing and 1-digit addition and subtraction.
.Understand the principle of calculating and learn how to formalize
using 1-digit addition and subtraction and materials.
.Learn the equality sign ‘=’ that is a mathematical symbol used to
indicate equality and make various number sentences using ‘=’.
NCTM Standards
Number and Operations
.Understand various meanings of addition and
subtraction of whole numbers and the relationship
between the two operations.
14 Workbook A-1
