Class 1 Addition and Subtraction Up to 20 Worksheets
Worksheet 1
Add the following
objects.
1.
6 carrots + 4 carrots = ___________
carrots
2.
7 tomatoes + 5 tomatoes = ___________ tomatoes
3.
9 cucumbers + 6 cucumbers = ___________ cucumbers
4.
+ 
8 brinjals + 7 brinjals = ___________ brinjals
Worksheet 2
1. In each set,
group ten stars to make one ten. Then write its addition fact. One has been
done for you.
Worksheet 3
1. In each set,
first make a group of ten. Then count and write the addition facts in two ways.
One has been done for you.
2. For each
picture, make a group of 10 and fill in the boxes. Then match each picture with
the sum showing the addition in it. Use a different colour to match each
picture. One has been done for you.
Worksheet 4
1. Add and write
the addition facts. One has been done for you.
2. Put dots on
the domino cards for the given numbers. Then add up the dots and fill in the
boxes. One has been done for you.
3. Add the following numbers and test
how quick you are.
Worksheet 5
1. Cross out 4
from each option and answer how many are left. One has been done for you.
2. Draw sticks
for the given numbers. Then cross out to subtract. One has been done for you. 
Worksheet 6
1. I had three
baskets of apples. A few apples fell out of each basket. Observe the pictures
and write how many apples were left in each basket. One has been done for you.
2. Use the number
strip to subtract the following:
Worksheet 7
Read the stories.
Put ‘+’ or ‘–’ in the boxes as needed, and then add or subtract. One has been
done for you.
