Step 1 / 3
The longer bar
★★★Line up one end and compare.
Number Forest · Learn first
Example
Which bar is the longest?
Answer: blue bar
Long and short · Measurement
Compare bars to find the longest and the shortest. Measuring starts with comparing.
Line up one end and compare.
This is step 1 of unit 7, “Long and short”, in Intro: Numbers to 10, adding and subtracting (ages 6). A round has 8 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.