Find the value of each expression mentally.

Some friends play Shake and Spill.

1. Priya spills 7 red counters and 2 yellow counters.
   How many counters did she spill in all?
   Show your thinking using drawings, numbers, or words.

   Equation:

2. Tyler spills 5 red counters and 3 yellow counters.
   How many counters did he spill in all?
   Show your thinking using drawings, numbers, or words.

   Equation:

   

3. Clare spills 2 red counters and 8 yellow counters.
   How many counters did she spill in all?
   Show your thinking using drawings, numbers, or words.

   Equation:

4. Han spills 3 red counters and 6 yellow counters.
   How many counters did he spill in all?
   Show your thinking using drawings, numbers, or words.

   Equation:

Kiran and Clare find the value of .

Kiran counts on from 2.

Clare counts on from 7.

How can both methods be correct?
Show your thinking using drawings, numbers, or words.

Find the value of each sum.