Mathematics and life

1. Statistics "Happy"

2. Height

3. annoying body

4. Average life expectancy

5. How to use medicine

Skillfully cut watermelon

7. Clothing collocation

8. High heels and beauty

9. Restaurant menu

10. Buy chocolate

1 1. Dad sets the clock.

12. Cut "pizza"

13. Phone number of headache

14. Take ornaments

15. Buy a new house

16. Master Yu's income

17. New wine in old bottles

18. You can pinch it.

19. Housekeeping strategies

20. Morning schedule

2 1. School lunch

Math and PE

1. Happy Football

2. Football match

Choose a destination

4. Calculation in the sports meeting

The starting point should be moved a few meters forward.

Rope climbing ladder

Mathematics and transportation

1. Bus stop

2. Passenger mileage

3. Train speed

4. What is the shortest way?

5. Tourist routes

6. Tunnel escape

7. Wrong train on Panshan Highway

8. gas the car

9. Sister's decision

10. Visit the market route

1 1. Problems on trams

12. Problems in the journey

Mathematics and environment

1. Explore the pyramids

2. When will you go to Sydney?

3. Dad's question

4. Soubao route

5. The "water" of life

6. How big is the grassland?

7. How to find the area of the map (1)

8. How to find the area of the map (2)

9. Expand fish ponds

10. Install street lamps

1 1. mailbox settings

12. Rainfall

Mathematics and leisure

0. the amount of oil in the car

1. Zhu Shijie's poems

2. Paper Planet Man

3. Rainbow Plain Tour

4. Animal football match

5. Infinite Space Hotel

6. Two generations love to sell grapes

Split a horse

8. Teacher Goat's Game Class

9. Elephants send guests

10. The problem was solved by Grandpa Su.

1 1. World War I in the Plain

12. Island Tour

Phone number and 24 questions.

14. Add half a record

15. Spelling graphics

16. Sifang

17. Li Yong's trick

18. Breakthrough game

19. Pairing

20. Chess match

2 1. Mathematical riddle

22. Page location

23. Magic mathematical graphic symbols

24. Smart mouse

Mathematics and society

1. gardener with flowers

2. How long will you be away from the office?

Report on time

Allocate rooms

5. Concession plan

6. stubborn grandpa

7. Teacher's age

8. Dad's party

9. What do service personnel want to learn?

10. How to buy a ticket cost-effectively?

Mathematics and economy

1. Olympic business opportunities

2. Restaurant price list

3. Earn or lose?

4. Expense settlement

5. Dad's first shipment.

6. Who bought the eggs cheaper?

7. Wage settlement

8. Personal income tax

9. Savings strategy

10. Unit price of apples

1 1. mass ratio of tea

12. Floor tile laying

13. Automation program

14. Belt length

15. Gear speed

16. Forged steel shaft

17. Which way saves more materials?

18. approximate

19. Cutting method of non-residual materials

20. Sawing wood

Mathematics and practice

1 Zhong (surname)

2. How much garbage is there?

What day is it today?

4. Calculate the quality skillfully

Measure by hand

6. How wide is this river?

Open a hole

8. Draw a right angle

9.swimming pool

10. Measure at least several sides.

1 1. Divide the pesticides equally.

12. Medical clinic

13. Painting

14. Decoration

15. Toolbox packaging

16. Building houses in the fields

17. Not a prophet

18. Numbers on fingers

19. Charming prime numbers

20. Try your hand.

Reference answers and tips

postscript