The video tutorial teaches how to solve word problems involving three addends. It begins with an introduction to the concept, followed by two example problems: one about Aisha drawing animals and another about Solemn buying toys. The video demonstrates using visual aids like pictures and circles to represent numbers and form addition sentences. It concludes with a summary and additional resources for further learning.

What is the main focus of the lesson introduced at the beginning of the video?

• Solving word problems with three add-ins

• Learning about subtraction

• Solving multiplication problems

• Understanding division

How many cats did Aisha draw on Saturday?

• Two

• Five

• Three

• Four

What is the first step in solving a word problem with three add-ins?

• Write the answer directly

• Decide how to represent each number

• Use a calculator

• Guess the answer

How many falcons did Aisha draw?

• Two

• One

• Four

• Three

Which method is used to represent numbers in Aisha's problem?

• Using numbers

• Using pictures

• Using letters

• Using colors

What is the total number of animals Aisha drew?

• Seven

• Nine

• Eight

• Six

What is the addition sentence for Aisha's problem?

• 5 + 2 + 1 = 8

• 3 + 3 + 2 = 8

• 4 + 2 + 2 = 8

• 4 + 2 + 1 = 7

What did Solom buy from the toy store?

• Kites, balloons, and stickers

• Dolls, blocks, and puzzles

• Cars, airplanes, and balls

• Books, pencils, and erasers

How many balls did Solom buy?

• Two

• One

• Three

• Four

How are numbers represented in Solom's problem?

• Using triangles

• Using stars

• Using circles

• Using squares