GRADE 2 · GUEST PRACTICE
Length lab
Little step 1 of 10
0%
A ribbon is 20 cm long. Another 1 cm is joined to it. How long is the ribbon now, in cm?
Read the model and choose the answer. Use the hint if you need another strategy.
Start: 20Add: 1Finish: ?
Guest adventure · Progress lasts only while this page stays open. Sound is off; all instructions and feedback are written. Content awaits educator review.