Page 49 - ICSE Math 2

Addition
3 Addition

Learning Outcomes

Students will be able to learn:

 the addition facts.
 to add through pattern.

 to add two and three 2-digit numbers.
 to add 2-digit numbers using carry over method and expanded form.
 skip counting.
 to solve and frame word problems involving addition.

 the methods to add 2-digit numbers mentally.

We know that addi on is coun ng forward. For example, to add 5 and 3, we
start with 5 and count forward by 3 to get 8. In ver cal addi on of 2-digit
numbers, we fi rst add the ones and then add the tens. Let’s revise the ver cal

addi on of 2-digit numbers with the help of the following game.

Help Sahir to fi nd the correct path to get his book. He should move towards
the sums which are more than 50.

T O T O T O
22 24 18
+7 0 +3 2 +4 1

T O T O
15 23
+2 1 +2 6

T O T O
12 Maths 21
+1 6 +3 4

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