Compose and decompose numbers within 10 using number bonds (K.OA.A.3)
Exercise Difficulty 2 ~1 min math.gK.s.ex_04

Shake Spill Tell 10

Prompt

Shake 10 two-color counters and spill them. Build the part-part-whole bar on your mat.

M-K-S-EX-04-A Manipulative Physical / non-image

Photo of a part-part-whole bar mat (long rectangle divided by vertical line) with 10 two-color counters spilled above; 6 red and 4 yellow visible.

How it's presented
mode manipulative
Answer criteria
type open response valid decomposition
whole check
10
valID pairs count
11
Hints
  1. Count reds first, then yellows.
  2. Do they add to 10? If not, recount.
Misconceptions to watch
  • Counts the same counter twice
  • Reports parts that don't add to 10
Used in lessons