3rd grade
Students strengthen basic arithmetic skills such as multiplication and division, and begin working with multi-digit numbers. Additionally, geometric concepts such as perimeter, area, and volume are studied.
-
lesson 1
Numbers from 1 to 100 -
lesson 2
Three-digit numbers -
lesson 3
Multiplication and division -
lesson 4
Properties of the numbers 0 and 1 -
lesson 5
Distributive property -
lesson 6
Positional number system -
lesson 7
Multi-digit numbers -
lesson 8
Adding and subtracting multi-digit numbers -
lesson 9
Multiplying and dividing numbers by 10, 100, 1000
-
lesson 10
Multiplying whole numbers -
lesson 11
Multiplying numbers- 1 . Multiplying a two-digit number by a single-digit number
- 2 . Multiplying a two-digit number by a single-digit number in column form
- 3 . Multiplying a three-digit number by a single-digit number
- 4 . Multiplying a three-digit number by a single-digit number in column form
- 5 . Multiplying a multi-digit number by a single-digit number
- 6 . Multiplying a multi-digit number by a single-digit number in column form
- 7 . Multiplying a two-digit number by a two-digit number
- 8 . Multiplying a two-digit number by a two-digit number in column form
- 9 . Multiplying a multi-digit number by a two-digit number in column form
- 10 . Multiplying a multi-digit number by a multi-digit number in column form
- 11 . Multiplying numbers ending in zero
- 12 . Multiplying numbers with a zero in between
-
lesson 12
Price, quantity, and value -
lesson 13
Solving problems -
lesson 14
Dividing numbers- 1 . Dividing a sum by a number
- 2 . Dividing a two-digit number by a single-digit number
- 3 . Division with remainder
- 4 . Division by a single-digit number: Long division
- 5 . Dividing multi-digit numbers with a remainder
- 6 . Dividing a number with a 0 in the middle
- 7 . Division of numbers ending in 0
- 8 . Division of numbers: Problems
- 9 . Long division of a two-digit number by a two-digit number
- 10 . Long division of a two-digit number by a two-digit number
- 11 . Long division of a three-digit number
- 12 . Performing division operations
- 13 . Divisors and multiples
-
lesson 15
Perimeter -
lesson 16
Area -
lesson 17
Units of measurement- 1 . Kilograms and grams
- 2 . Tons and quintals
- 3 . Mixed section: Mass units
- 4 . Units of length measurement
- 5 . Operations with units of length
- 6 . Determining time
- 7 . Units of time measurement
- 8 . Operations with units of time
- 9 . Units of area measurement
- 10 . Relationships between units of area
- 11 . Units of volume measurement
- 12 . Relationships between units of volume
- 13 . Units of measurement: Problems
-
lesson 18
Parallelepiped and cube
-
lesson 19
Disc and circle -
lesson 20
Straight lines -
lesson 21
Equality and inequalities -
lesson 22
Coordinates. Symmetry. -
lesson 23
Motion problems -
lesson 24
Productivity -
lesson 25
Sets - NEW
lesson 26
Statements - BETA
lesson 27
asd