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
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