Page 19 - PlayFacto_B7
P. 19
2 Number
sentence

Unit Objective Write number sentences using given numbers and
operations.

.Find the original number sentence using given number chips and
operation chips based on 2-digit addition and subtraction.
.Learn how to write vertical number sentences.
.Understand the inverse operation, and addition and subtraction

with regrouping.

NCTM Standards

Number and Operations

.Understand various meanings of addition and subtraction
of whole numbers and the relationship between the two
operations.
.Understand the effects of adding and subtracting
whole numbers.
.Develop and use strategies for whole-number
computations, with a focus on addition and
subtraction.

16 Workbook B-7
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