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Part 1
Multi-digit numbers: adding, subtracting, multiplying
1
Review: numbers, length, multiplication, 0 and 1
Lessons 1–5
2
Round numbers, the distributive property, time, rectangles and multi-digit numbers
Lessons 6–10
3
Multi-digit numbers: places, reading, comparing, expanded form
Lessons 11–15
4
Adding and subtracting multi-digit numbers
Lessons 16–20
5
Convenient calculation, word problems, unit review, multiplying by 10 / 100 / 1 000
Lessons 21–25
6
Dividing round numbers and multiplying by a one-digit number
Lessons 26–29
7
Multiplying by two-digit and three-digit numbers
Lessons 30–33
8
Round numbers, zeros in the middle, problems, profit
Lessons 34–37
9
Price, quantity, cost; units of time; Part 1 review
Lessons 38–41
Part 2
Division, perimeter and area
10
Dividing a sum, remainders and first long division
Lessons 42–46
11
Long division: incomplete dividend, remainder and zero
Lessons 47–51
12
Dividing round numbers, geometric meaning of division, review
Lessons 52–56
13
Long division by two-digit and three-digit numbers
Lessons 57–61
14
Divisors and multiples, practical tasks, dividing a segment
Lessons 62–65
15
Perimeter of rectangles, regular and irregular shapes, properties of area
Lessons 66–69
16
Other areas, unit review and logic problems
Lessons 70–73
Part 3
Measures, shapes and coordinates
17
Units of mass and length
Lessons 74–78
18
Units of length and area, ares and hectares
Lessons 79–83
19
Units of volume, review, the grid (paletka)
Lessons 84–88
20
Grid area, cuboids and cubes, the net of a cube
Lessons 89–93
21
Net of a cuboid, circles and discs
Lessons 94–98
22
Fractions of a circle, hours and minutes, fraction of a number, unit review
Lessons 99–102
23
Parallel and perpendicular lines, the number ray
Lessons 103–106
24
Equalities and inequalities, operations on the number ray, simple equations
Lessons 107–110
25
Inequalities on the number ray, the coordinate grid, line symmetry
Lessons 111–114
26
Symmetrical shapes, multi-step equations, unit review
Lessons 115–118
Part 4
Word problems, sets and review
27
Formulas for perimeter, area and volume; division with a remainder
Lessons 119–123
28
Problem solving; movement: speed, distance and time
Lessons 124–128
29
Price, quantity, cost; cost problems; rate of work
Lessons 129–133
30
Rate-of-work problems, unit review; sets
Lessons 134–138
31
Belonging, Euler–Venn diagrams, subsets, intersection
Lessons 139–142
32
Union of sets, problems with sets, statements, logic problems
Lessons 143–146
33
Unit review; year review: numbers, operations, equations and problems
Lessons 147–150
34
Year review: measures, geometry, coordinates, sets; logic problems
Lessons 151–154
☰ Contents · Mathematics
Grade 3
›
Mathematics
›
Week 25
Inequalities on the number ray, the coordinate grid, line symmetry
Lessons 111–114 · 4 lessons · I.V. Repyova. Mathematics Grade 3, Parts 1–4. Novda Edutainment, 2023
Lesson 104
Lesson 105
Lesson 106
Lesson 107
Quiz
8
Homework
5
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