Adding and Subtracting Two Digit Numbers with Regrouping

When subtracting or adding with regrouping we start with the Ones Places.

• True

• False

__________________________ is the process of making groups of tens when adding or subtracting two digit numbers (or more) and is another name for carrying and borrowing .

• computation

• regrouping

• equation

• minuend

__________________________is taking one number away from another to find the difference.

• regrouping

• subtraction

• computation

• equation

__________________________ is finding an answer by using mathematics or logic.  You do this when you add, subtract, multiply, etc. 

• subtraction

• difference

• computation

• even number

• 31

• 34

• 37

• 41

Fill in the blanks

b

c

d

a

100

40

130

92

What is the sum?

• 59

• 69

• 79

What is the sum?

• 96

• 69

• 86

66 + 87 =

• 21

• 153

• 143

What is the sum?

• 45

• 39

• 49