I can add up to four two-digit numbers.
Problem 1
23 + 23 + 14 = _____
Hint: Add two numbers first, then add the third number to that sum.
\n
Problem 2
19 + 19 + 13 = _____
Hint: Add two numbers first, then add the third number to that sum.
\n
Problem 3
14 + 24 + 13 = _____
Hint: Add two numbers first, then add the third number to that sum.
\n
Problem 4
18 + 22 + 19 = _____
Hint: Add two numbers first, then add the third number to that sum.
\n
Problem 5
23 + 12 + 17 = _____
Hint: Add two numbers first, then add the third number to that sum.
\n
Problem 6
28
23
+ 16
_____
Hint: Line up the place values and add column by column.
\n
Problem 7
21
19
+ 24
_____
Hint: Line up the place values and add column by column.
\n
Problem 8
25
30
+ 25
_____
Hint: Line up the place values and add column by column.
\n
Problem 9
16
27
+ 21
_____
Hint: Line up the place values and add column by column.
\n
Problem 10
23
30
+ 25
_____
Hint: Line up the place values and add column by column.