Adding Numbers within 100 Using Base 10 Blocks

This video tutorial teaches how to add numbers within 100 using base 10 blocks. It begins with an introduction to base 10 blocks and place value, explaining how numbers can be represented in different ways. The tutorial then provides step-by-step examples of adding numbers, breaking down each digit into its value and finding partial sums before arriving at the final answer. The video emphasizes understanding place value and common misconceptions, such as misinterpreting the value of digits based on their position.

What is the value of the digit '6' in the number 267?

• 6

• 60

• 600

• 6000

How can the number 32 be represented using base 10 blocks?

• 2 tens and 12 ones

• Both A and B

• 3 tens and 2 ones

• 1 ten and 22 ones

What is the first step in adding 23 and 45 using base 10 blocks?

• Subtract the smaller number

• Combine all digits

• Add the tens

• Add the ones

What is the partial sum of the tens when adding 23 and 45?

• 20

• 40

• 60

• 80

When adding 56 and 35, what is the value of the ones place before combining with the tens?

• 15

• 11

• 6

• 5

How many groups of 10 are there in the number 91?

• 8

• 10

• 7

• 9

What is the final sum of 47 and 28 using base 10 blocks?

• 65

• 75

• 95

• 85