Mastering Addition Within 20

The video tutorial explains how to add 8 and 7 using a fruit analogy. It encourages viewers to pause and try the addition themselves. The process involves adding tomatoes and blueberries to form a group of 10, then completing the addition to find the total. The result, 15, is explained in terms of tens and ones, emphasizing the understanding of number representation.

What two types of fruits are used in the addition example?

• Bananas and grapes

• Strawberries and cherries

• Apples and oranges

• Tomatoes and blueberries

Tags

CCSS.1.OA.A.1

How many tomatoes are initially mentioned?

• 7

• 8

• 5

• 10

Tags

CCSS.1.OA.A.1

After adding some blueberries, how many pieces of fruit make up the first group of 10?

• 7 tomatoes and 3 blueberries

• 5 tomatoes and 5 blueberries

• 8 tomatoes and 2 blueberries

• 6 tomatoes and 4 blueberries

Tags

CCSS.2.OA.A.1

What is the significance of reaching a group of 10 in the addition?

• It simplifies the calculation.

• It represents the maximum number of fruits.

• It is the preferred number of tomatoes.

• It indicates the need for another bucket.

Tags

CCSS.2.NBT.B.5

How many additional blueberries are added to complete the addition?

• 3

• 4

• 6

• 5

Tags

CCSS.1.OA.A.1

How many total blueberries were added?

• 8

• 7

• 6

• 5

Tags

CCSS.1.OA.A.1

What does the number 1 represent in the final answer?

• 1 single fruit

• 1 group of 10

• 1 blueberry

• 1 tomato

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What does the number 5 represent in the final answer?

• 5 single fruits

• 5 groups of 10

• 5 blueberries

• 5 tomatoes

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the final result of 8 plus 7?

• 14

• 16

• 15

• 13

Tags

CCSS.1.OA.A.1

How is the number 15 broken down in terms of tens and ones?

• 1 ten and 5 ones

• 15 ones

• 10 ones and 5 tens

• 2 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C