Page 91 - New Medley 1 Semester 2

3 8 5 9 6 5 4 9 7 8

+ 6 + 2 + 7 + 6 + 7

4 6 5 3 7 4 7 9 8 6
+ 6 + 9 + 8 + 7 + 8

5 9 6 3 7 2 8 8 9 3

+ 4 + 9 + 9 + 2 + 6

Adding Three One-digit Numbers (Preparing to Carry)

3 ones + 6 ones + 4 ones

= 3 ones + 10 ones

= 13 ones

= 10 ones + 3 ones

= 1 ten + 3 ones (we know that 10 ones = 1 ten)

A. Fill in the boxes.

1. 8 ones + 1 one + 3 ones

= ones + ones

= ones

= ones + ones

= ten + ones =

89