math teacher
MBOU gymnasium No. 88 in Krasnodar
Lesson objectives:
1 Educational: to contribute to the identification of knowledge and skills in students in non-standard situations and maintain an atmosphere of competition, solve equations, repeat the rules for finding an unknown component.
2, Educational: to form a cognitive interest in the subject of mathematics through a playful form.
3, Educational: Be able to manage their behavior, give everyone the opportunity to speak out, provide assistance to those students whose tasks have caused difficulty.
Form: lesson-game
Equipment: table with encoded phrase, table for decoding phrase, cards with equations.
Lesson progress
1, Organizational moment: Two tables are attached to the board using magnets.
Table #1 with the coded phrase records the card numbers.
In Table #2, data for decoding the phrase.
Table #1
|
22 |
10 |
12 |
4 |
17 |
19 |
6 |
15 |
16 |
3 |
12 |
14 |
1 |
7 |
17 |
10 |
1 |
| 2 | 6 | 15 | 13 | 14 | 6 | 5 | 6 | 9 | 20 | 11 | 12 | 22 |
|
8 |
21 |
6 |
18 |
14 |
6 |
10 |
12 |
3 |
21 |
Table #2
| A |
B |
IN |
G |
D |
E |
Z |
AND |
L |
M |
N |
O |
P |
R |
S |
T |
U |
F |
S.H. |
B |
. |
The ‘Box |
|
10 |
14 |
5 |
55 |
20 |
40 |
4 |
15 |
17 |
24 |
19 |
3 |
9 |
7 |
2 |
13 |
48 |
49 |
98 |
22 |
8 |
1 |
The phrase "The power of the mind is limitless" is encoded
I. Efremov.
| Card No. 1 (X+15)-8=17 Answer: 10 |
Card No. 2 (24+X)-28=10 Answer: 14 |
| Card No. 3 (45-U)+18=58 Answer: 5 |
Card No. 4 (U-35)+12=32 Answer: 55 |
| Card No. 5 56-(X+12)=24 Answer: 20 |
Card No. 6 55-(X-15)=30 Answer: 40 |
| Card No. 7 25X+49=149 Answer: 4 |
Card No. 8 13+10X=163 Answer: 15 |
| Card No. 9 181-8X=45 Answer: 17 |
Card No. 10 9U-54=162 Answer: 24 |
| Card No. 11 (X-12)x8=56 Answer: 19 |
Card No. 12 24x(X+9)=288 Answer: 3 |
| Card No. 13 124:(U-5)=31 Answer: 9 |
Card No. 14 (U+25):8=4 Answer: 7 |
| Card No. 15 38X+15=91 Answer: 2 |
Card No. 16 4X+8=40 Answer: 13 |
| Card No. 17 X+37=85 Answer: 48 |
Card No. 18 85-X=36 Answer: 48 |
| Card No. 19 U-94=4 Answer: 98 |
Card No. 20 (U+64)-38=48 Answer: 22 |
| Card No. 21 88: X+9=20 Answer: 8 |
Card No. 22 4 X+3=7 Answer: 1 |
2, Each student in the class receives a card with the equation.
3. The teacher explains the rules of the game.
- Students solve the equation.
- Having received the answer, the letter that corresponds to the root of the equation is determined from the table.
- They name their card number and letter.
- The teacher writes a letter on top of the card number.
- The game continues until the entire phrase is decoded.
4, The teacher sums it up.
