Page 7 - PlayFacto_A1
P. 7
1 Make 10
Unit Objective Add numbers to make a target number 10.
.Compose and decompose two or three numbers to make 10.
.Understand the basic concept of addition and subtraction with
regrouping.
.Recognize the relationship between addition and subtraction that
are inverse operations when composing and decomposing two
numbers.
.Intuitively learn the addition and subtraction based on a number 10
using various pictures.
NCTM Standards
Number and Operations
.Develop a sense of whole numbers and represent and
use them in flexible ways, including relating,
composing, and decomposing numbers.
4 WWoorrkkbbooookk AA--11
Unit Objective Add numbers to make a target number 10.
.Compose and decompose two or three numbers to make 10.
.Understand the basic concept of addition and subtraction with
regrouping.
.Recognize the relationship between addition and subtraction that
are inverse operations when composing and decomposing two
numbers.
.Intuitively learn the addition and subtraction based on a number 10
using various pictures.
NCTM Standards
Number and Operations
.Develop a sense of whole numbers and represent and
use them in flexible ways, including relating,
composing, and decomposing numbers.
4 WWoorrkkbbooookk AA--11
