Stamps collection two-digit addition and subtraction problems

Addition and subtraction problems Worksheet No.3

Addition and subtraction problems Worksheet No.2

Adding and subtracting two-digit numbers problems

At the swimming pool – Addition and subtraction of tens

Finding missing factors – Two-digit addition and subtraction problems

Addition and subtraction problems up to 100

Buying and selling at the grocery shop – Addition and subtraction problems up to 100

Addition and subtraction problems up to 100 - No.2

In the Classroom – Addition problems of 10s up to 100 – No.1

Adding and subtracting 10s - No.4