Basic Addition and Sequence Identification

Mrs. Lawson introduces a math lesson focused on counting from 1 to 20, ordering numbers, and adding one more to a number. The lesson includes interactive exercises where students identify and correct mixed-up numbers, practice ordering, and learn to add one using a number line. The session concludes with a review of the concepts covered.

What is the first number in the sequence from 1 to 20?

• 1

• 4

• 2

• 3

Which number comes after 10 in the sequence?

• 13

• 9

• 12

• 11

What is the last number in the sequence from 1 to 20?

• 21

• 20

• 18

• 19

Which number was incorrectly placed after 6 in the sequence?

• 7

• 8

• 14

• 9

What number should come after 13?

• 15

• 12

• 14

• 16

Which two numbers were swapped incorrectly in the sequence?

• 15 and 16

• 14 and 18

• 12 and 13

• 17 and 19

What number should replace 18 in the sequence after 13?

• 15

• 17

• 14

• 16

What number comes after 4 in the sequence?

• 3

• 5

• 6

• 7

Which number was incorrectly placed after 12?

• 14

• 15

• 13

• 16

What number should come after 12?

• 14

• 13

• 16

• 15