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Documentation Solving math problems for Grade 4 pages 118, 119, 120 Volume 1 KNTT book, Review addition, subtraction detailed solution for exercises 1, 2, 3... in the textbook closely following the curriculum. Students can refer to quickly complete assignments, reinforce knowledge easily.
Refer to other good Math 4 materials:
- Solving Math Grade 4 Kết nối tri thức book
- Solving math problems for Grade 4 pages 64, 65, 66 Volume 1 Cánh Diều book - Exercise 26. Addition, subtraction
- Solving math problems for Grade 4 page 10 Volume 1 CTST book - Exercise 2: Review addition, subtraction
Solving math problems for Grade 4 pages 118, 119, 120 Volume 1 Kết Nối Tri Thức book
Exercise 34: Review addition, subtraction
Math Grade 4 Workbook 1 SGK, KNTT book: Practice page 118
Solution for Exercise 1 page 118 Mathematics Grade 4 Workbook 1 Knowledge Connection
Problem: Mental calculation
a)
70,000 + 60,000
160,000 - 90,000
500,000 + 700,000
b)
90,000 + 50,000 - 80,000
150,000 - 70,000 + 40,000
800,000 + 700,000 - 900,000
Solution:
Solution for Exercise 2 on page 118 of Grade 4 Mathematics Workbook Volume 1, Knowledge Connection Textbook
Exercise: Solve the following addition problem.
9,658 + 6,290
56,204 + 74,539
14,709 - 5,234
159,570 - 81,625
Solution:
Solution:
Problem: Which expression below has the largest value, which one has the smallest value?
A. 90,000 + 30,000 + 5,473
B. 387,568 - (200,000 - 40,000)
The sum of 456,250 and 200,000 subtracted by 500,000 is:
Subtract 90,000 from 210,000 and then add 4,975:
Solution:
Problem 4 on page 118 of Grade 4 Mathematics Volume 1 book Connect Knowledge
Problem: Dad bought Nam a set of uniform, a pair of shoes, and a pair of socks for a total of 314,000 dong. Among them, the total amount for the uniform set and the shoes is 306,000 dong. Find the price of each item, knowing that the price of the shoes is 107,000 dong more than the price of the socks.
Solution:
Mathematics Exercise for Grade 4, Textbook KNTT: Practice page 119
Exercise 1 Solution page 119 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: Mental Calculation
a) Sum of 8,000,000 and 4,000,000
Sum of 60,000,000 and 50,000,000
Difference between 15,000,000 and 9,000,000
Subtract 80,000,000 from 140,000,000
b) Sum of 6,000,000, 9,000,000, and then subtract 7,000,000
Subtract 60,000,000 from 130,000,000 and then add 50,000,000
Solution:
Solution for Exercise 2 page 119 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: Set up and calculate.
Add 370,528 and 85,706
Add 435,290 and 208,651
Subtract 6,052 from 251,749
Subtract 365,470 from 694,851
Solution:
Solution for Exercise 3 page 119 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem:
The picture below shows the prices of some items.
a) Mai bought a pair of sandals and a box of puzzle toys. She gave the saleswoman 200,000 dong. How much change did the saleswoman give back to Mai?
b) Choose the correct answer.
With 200,000 dong, which three items can Mai afford to buy below?
A. A hat, a pair of sandals, a box of puzzle toys.
B. A hat, a pair of sandals, a teddy bear.
C. A hat, a box of puzzle toys, a teddy bear.
D. A pair of sandals, a box of puzzle toys, a teddy bear.
Solution:
Solution for Exercise 4 page 119 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: Calculate conveniently.
16,370 + 6,090 + 2,530 + 4,010
Solution:
Mathematics Exercise for Grade 4, Textbook KNTT: Practice page 120
Exercise 1 Solution page 120 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: Set up and calculate.
Add 245,489 and 32,601
Add 760,802 and 239,059
Subtract 7,123 from 566,345
800,693 - 750,148
Solution:
Solution for Exercise 2 page 120 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: D, S?
a) 80,000 + 40,000 = 100,000..?..
b) 175,000 - 25,000 = 50,000..?..
c) 9,000,000 + 3,000,000 - 2,000,000 = 10,000,000..?..
Solution:
Solution for Exercise 3 page 120 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem: The railway from Hanoi to Danang (via Dong Hoi) is 791 km long. The railway from Hanoi to Dong Hoi is longer than the railway from Dong Hoi to Danang by 253 km. Calculate the lengths of the railway from Hanoi to Dong Hoi and Dong Hoi to Danang.
Solution:
Solution for Exercise 4 page 120 Grade 4 Mathematics Textbook Kết Nối Tri Thức
Problem:
Solution:
Here are the solutions for Grade 4 Mathematics Textbook KNTT pages 118, 119, 120 Exercise 1: Review addition and subtraction. You can review the solutions for Grade 4 Mathematics Textbook KNTT pages 114, 115, 116, 117 Exercise 33: Review numbers up to millions or preview the solutions for Grade 4 Mathematics Textbook KNTT pages 121, 122, 123 Exercise 35: Review geometry to reinforce your knowledge.
