T1 NoviceMathematics
Doubles and Halves to 100
Fast mental moves
- Reward
- $1
- Experience
- 10
- Stat
- mind +1
Memorize word for word
Double and halve ten numbers a parent calls out, with no pencil.
The passage
Doubling and halving is the backbone of mental arithmetic.
How you get paid: Do the work, press “Turn it in”, then a grown-up approves it at the Parent Desk. Approving records $1 and 10 XP for Harper. Parent Desk