Two-Digit Addition Strategies

This video is the first in a series on two-digit addition strategies using a hundreds chart. It explains how to navigate the chart, counting by ones across rows and by tens down columns. The video provides two examples: adding 34 and 47, and adding 17 and 82, demonstrating the process step-by-step. The video concludes with encouragement to practice and a preview of a future video on subtraction.

What is the main topic of the video series?

• Two-digit addition strategies

• Multiplication strategies

• Division strategies

• Two-digit subtraction strategies

When moving side to side on a hundreds chart, what are you counting by?

• Tens

• Ones

• Fives

• Twos

When moving up and down on a hundreds chart, what are you counting by?

• Fives

• Ones

• Twos

• Tens

In the example of adding 34 and 47, what is the first step?

• Find the number 34 on the chart

• Subtract 47 from 34

• Add the ones place

• Add the tens place

How many tens are added to 34 in the example?

• 6

• 5

• 4

• 3

What is the final answer when adding 34 and 47?

• 101

• 91

• 81

• 71

In the example of adding 17 and 82, how many tens are added to 17?

• 6

• 7

• 8

• 9

What is the final answer when adding 17 and 82?

• 99

• 100

• 97

• 89

What will the next video in the series cover?

• Multiplication

• Two-digit subtraction

• Division

• Two-digit addition