Page 7 - PlayFacto_B7
P. 7
1 The greatest 
sum · The least
sum

Unit Objective Make the number sentence with the greatest or the
least sum.

.Learn how to make the greatest or the least values of two 2-digit
numbers (2-digit) + (2-digit) using four numbers.

.Develop the number sense and arithmetic operation skill through
making 2-digit numbers to find their sum or difference and learn

about place value.

.Encourage children to work independently to apply the

fundamentals of making greater numbers and less numbers
(3-digit) + (3-digit).

NCTM Standards

Number and 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.

4 Workbook B-7
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