Current location - Training Enrollment Network - Mathematics courses - What units are there in the second volume of mathematics in grade three?
What units are there in the second volume of mathematics in grade three?
Formula of length unit in Volume 2 of Grade 3:

1 m = 10 decimeter =100 cm =1000 mm.

1 decimeter =10cm =100mm

1 cm = 10/0mm

One kilometer = 1000 meter

Tertiary weight unit:

Grams, kilograms, tons,

1 kg =1000g

1 ton = 1000 kg

The third grade area unit:

Square meters, square decimeters, square centimeters,

1 m2 = 100 m2

1 square decimeter = 100 square centimeter

Third grade time unit formula:

1 year = 12 months

Da Yue: 3 1 day

Abortion: 30 days

February: 28 or 29 days

Average year: 365 days: 52 weeks 1 day.

Leap year: 366 days: 52 weeks and 2 days.

1 week =7 days

1 day =24 hours

1 hour =60 minutes

1 min =60 seconds