144
Year review: final
Textbook Part 4, pp. 68–69
GoalFinal review of Grade 1 maths and self-check.
New words
check yourself · o‘zingizni tekshiringtravel · sayohatend / summary · yakun
Explanation
This year you learned numbers to 100, adding and subtracting, kinds of word problems, units of length, mass and capacity, geometric shapes and equations. Today check yourself and review the topic you found hardest one more time.
Worked examples
20 people arrived at a holiday camp and now there are 56: x + 20 = 56 → x = 36 people were there at first.
Points C and D on segment AB: AC, AD, AB, CD, CB, DB — 6 segments.
Class activity
Final project on “Travel”: each child writes one travel problem and draws a picture. The class makes a little book of their problems.
Practice
1
x + 20 = 56. x = ?
36
2
Points C and D on segment AB. How many segments?
6
3
In x − 5 = 10, which operation finds x?
Addition: 10 + 5 = 15
4
The unit for measuring capacity?
Litre