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Guide to solve exercises on page 38 Math 5, including solution methods
1. Solve Exercise 1 on page 38 Math 5 Textbook
Problem:
Read the decimal number, state the whole number part, the decimal part, and the value of each digit in each place?
a) 2.35 b) 301.80
c) 1942.54 d) 0.032
Solution Method:
1. How to determine the whole number and decimal part
- Whole number part: All digits to the left of the decimal point
- Decimal part: All digits to the right of the decimal point.
2. How to read decimal numbers
- Read the whole number part, say 'decimal point', and finally, read the decimal part.
3. How to determine the value of each digit in each place
- Separate each digit in each part into groups, each group has three places, placing each digit in the corresponding place determines its value.
2. Solve Exercise 2 on page 38 Math 5 Textbook
Problem:
Write the decimal number with:
a) Five units, nine tenths.
b) Twenty-four units, eighteen hundredths (which means twenty-four units and eighteen hundredths).
c) Fifty-five units, fifty-five tenths, fifty-five hundredths, and fifty-five thousandths.
d) Two thousand two hundred and eight units, zero tenths, and eight hundredths.
e) No units, one thousandth.
Solution Method:
Pay attention to writing decimal numbers sequentially:
- Write the whole number part
- Write the decimal point
- Write the decimal part.
Answer:
a) 5.9 b) 24.18
c) 55.555 d) 2002.08
e) 0.001.
3. Solve Exercise 3 on page 38 Math 5 Textbook
Problem:
Write the following decimal numbers as mixed numbers containing decimal fractions (following the model):
3.5; 6.33; 18.05; 217.908.
Solution Method:
- Keep the whole part of the decimal number, which is the whole part of the mixed number
- Convert the decimal part to a decimal fraction: Refer to the method of converting decimal numbers to decimal fractions in the Solve Exercise 3 on page 37 Math 5 Textbook.
Answer:
Quick Guide to Solve Exercises on page 38 Math 5
Solving Math 6 on pages 41 and 42 is a crucial lesson in the Math 6 curriculum that students need to pay special attention to.
In addition to the content learned, students can prepare and study the content of solving exercises on pages 38 and 39 Math 5 Textbook, practicing to grasp the knowledge in the Math 5 curriculum.
Here is the solution to exercises on page 38 Math 5 Textbook in the section of solving Grade 5 math exercises. Students can review the solution to exercises on page 37 Math 5 Textbook that has been solved earlier or preview the solution to exercises on page 40 Math 5 Textbook to excel in Grade 5 Math.
