Canadian dollar, RMB minus RMB.
Angle plus angle, angle minus angle; Earning a dollar and earning a dime is not enough to borrow a dollar and a dime.
Points plus points, points minus points; Ten cents becomes ten cents, not ten cents becomes ten cents.
RMB conversion jingle:
Big and small, long tail, just add a 0.
Small to big, tail off, remove 0 to grow up!
When a small unit becomes a big unit, let the children associate a tadpole with a frog. When a big unit becomes a small unit, let the children associate a frog with a tadpole.
RMB exchange exercise:
340 points = () Yuan () Jiao.
56 Angle = () Yuan () Angle.
12 points = () Angle () points.
234 points = () Yuan () Jiao () points.
3 yuan 5 Angle = () Angle 6 yuan 3 Angle = () Angle 2 yuan 3 points = ().