What this lesson shows
A line from 0 to 20: count the marks to 12. One more is 13, and one less is 11.
The worked example
The lesson works this one step by step: 12 on a line from 0 to 20. Then your kid tries one like it on paper.
The steps
- Start at 10
- Count on to the number
- One more: one mark right
- One less: one mark left
Helping at home
Read each box aloud. Your kid finds the number, circles it, then circles the number one mark to the right (one more) and one mark to the left (one less).
If your kid gets stuck
One more is one mark right. One less is one mark left.
Watch it with Lux
With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.