Identifying Missing Numbers on a Number Line

Mrs. Herbert introduces a lesson on leaping on a number line for 2nd graders. She explains the activity, which involves identifying number neighbors and counting by tens to fill in missing numbers on a number line. Students are encouraged to complete certain pages independently and can refer to a linked YouTube video for additional help. The lesson concludes with a review of the completed number line and encouragement to seek help if needed.

What page of the activity does Mrs. Herbert demonstrate in the video?

• Page 2

• Page 1

• Page 3

• Page 4

Which pages must the students complete by themselves?

• Page 1, 2, and 4

• Page 2, 3, and 4

• All pages

• Page 1, 3, and 4

What are number neighbors?

• Numbers in sequences of fives

• Numbers in different hundreds

• Numbers that are far apart

• Numbers that live next to each other

What sequence is used in the number line activity demonstrated?

• Counting by fives

• Counting by hundreds

• Counting by twenties

• Counting by tens

What should you do if the sequence doesn't make sense?

• Start over

• Ask a friend

• Check your addition

• Ignore the errors

What is the missing number between 460 and 480?

• 470

• 475

• 465

• 455

How do you determine what numbers are missing in the sequence?

• Guessing

• Using a calculator

• Identifying the counting pattern

• Asking the teacher

Which number comes next in the sequence: 480, 490, 500, ...?

• 510

• 520

• 530

• 540

What should you do if you need more help understanding the activity?

• Message a teacher

• Give up

• Skip the activity

• Watch a different video

What is the correct sequence starting from 420?

• 420, 440, 460, 480

• 420, 450, 480, 510

• 420, 425, 430, 435

• 420, 430, 440, 450