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From error-spotting exercises in arithmetic, students will master dividing by two-digit numbers, a useful skill for similar problems. For a deeper understanding of this type of math, refer to the solutions for 4th-grade math on Pages 100-101 in Cánh Diều Book 1, Practice Session.
Explore additional resources for solving 4th-grade math problems: - Solve 4th-grade math problems in Cánh Diều Book 4
Solve 4th-grade math problems in Cánh Diều Book 1, Pages 100-101
Exercise 45: Practice Session
1. Solve Problem 1 - Cánh Diều Grade 4 Book 1 Page 100
Problem:
Set up the calculation and compute (following the example):
Solution Method:
Follow the example
Answer:
2. Solve Problem 2 - Cánh Diều Grade 4 Book 1 Page 100
Problem:
Identify errors in the following division calculations:
Solution Method:
Divide by a two-digit number
Answer:
Incorrect:
Correction:
3. Solve Problem 3 - Kite Book 4 Grade 1 Page 101
Problem:
An outdoor performance stage has 1,088 seats, arranged evenly in 68 rows. How many seats are there in each row?
Solution Method:
Number of seats per row = Total seats : Number of rows
Answer:
Each row has seating capacity of:
1,088 : 68 = 16 (seats)
Final answer: 16 seats
4. Solve Problem 4 - Kite Book 4 Grade 1 Page 101
Problem:
A cyclist covers 33 km 215 m in 1 hour 5 minutes. What is the average distance covered per minute?
Solution Method:
Change units and perform division
Answer:
Convert: 1 hour 5 minutes = 65 minutes
33 km 215 m = 33,215 m
The average distance covered per minute is:
33,215 : 65 = 511 (m)
Final answer: 511 m
To excel in the practice exercise in Math Grade 4 pages 100-101 Kite Book 1 Practice, Exercise 45, you can review the guidance on Math Grade 4 pages 98-99 Kite Book 1 - Exercise 44. Division with the digit 0 is involved. Additionally, to grasp the knowledge in Exercise 46, you can refer to the guidance on Math Grade 4 pages 102-103 Kite Book 1 - Exercise 46. Concentrated practice.
Wishing you all success in your mathematics studies.
