Lesson: Addition of Two-Digit Numbers Using Place Value

In this lesson, we will learn how to add tens to two-digit numbers.

Sample Question Videos

Q1:

Mona is making a road with red blocks and blue blocks. She needs 52 blocks altogether.

Which group of red and blue blocks will make 52?

Q2:

23 children from Class A joined 30 children from Class F. How many children were there altogether?

Q3:

Fares and Dina are making a bridge out of blocks. They choose 23 green blocks and 30 red blocks. How many blocks do they use altogether?

Q4:

What is the missing number in ?

Q5:

Complete the number sentence: .

Q6:

All the robots have been working hard to make new numbers. Which multiple of 10 have they added?

Q7:

Which number is missing?

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