Addition Strategies and Word Problems

The video tutorial demonstrates how to use a 100 chart to add multiples of 10 to two-digit numbers. It begins with an introduction to the concept, followed by examples of adding 14 and 10, and 52 and 40. The tutorial then engages viewers in interactive practice with examples like 27 plus 30 and 49 plus 20, emphasizing the ease of counting by tens using the chart.

What tool is introduced for adding multiples of 10 to two-digit numbers?

• Abacus

• Calculator

• 100 chart

• Number line

What is the first step in using the 100 chart to add multiples of 10?

• Find the number on the chart

• Multiply by 10

• Count by ones

• Subtract 10

What is the result of adding 14 and 10 using the 100 chart?

• 54

• 34

• 24

• 44

What is the sum of 14 and 10?

• 24

• 34

• 54

• 44

What is the sum of 14 and 10?

• 54

• 44

• 34

• 24

What is the sum of 14 and 10?

• 54

• 34

• 44

• 24

What is the sum of 14 and 10?

• 24

• 34

• 44

• 54

When adding 10 to a number on the 100 chart, what direction do you move?

• Up

• Left

• Right

• Down

What is the result of adding 52 and 40 using the 100 chart?

• 82

• 92

• 102

• 112

How many groups of ten do you add when calculating 52 plus 40?

• 2

• 3

• 4

• 5