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学生说明
Click👈🏻 on the 
and play 'WISHBALL - HUNDREDTHS' GAME
Then,
Tap 👈🏻 
And circle⭕ the 🤩😃🤔😳😕 using the 
to tell me how you went.
Tap 
when you are finished.
🦘
老師便條 (學生不可見)
Educational value Develops students’ understanding of place value. Stimulates students’ mental calculation strategies. Uses three different methods of representing numbers to assist students’ visualisation of place value. Scaffolds students’ attempts with immediate feedback. Encourages repeated use through randomisation of activity elements. Includes an option to print a record of the place-value decisions made for every turn in each game. Includes voiceover support for key instructions. Year level 2-4 Topics Addition Accuracy and precision Positive integers Place value Mental arithmetic
