People's education printing plate fourth grade first volume mathematics unit 1 understanding large number test questions
1. Fill in the blanks.
1.10 10 million is (), 10 billion is (),10 billion is (),10 billion is ().
2. In the integer bit sequence table, from right to left, the fourth bit is (), the ninth bit is (), the eleventh bit is (), and the right side of the billion bits is ().
3.20 18760500 consists of 2 (), 1 (), () million, () hundred, () ten and 5 ().
4.3250009 is () digits. 3? In the () position, it means (); 2 in the () position, indicating (); 9 is in the () position, which means ().
The highest digit of a number is 10 million digits, and this number is () digits.
The highest digit of a number is tens of billions, and this number is () digits.
6. Ten million consists of () one million. Ten million is made up of () one hundred thousand.
7. Use 1, 2, 3, 4, 0, 0 to form seven digits, with the largest being () and the smallest being ().
2. Say how many digits the following figures are and what is the highest digit.
1. 1987500 is () bit, and the highest bit is () bit.
Among them,? 9? In the () position, it means ().
? 7? In the () position, it means ().
2.76000009 is () bit, and the highest bit is () bit.
Among them,? 6? In the () position, it means ().
? 9? In the () position, it means ().
3. 1327000000 is () bit, and the highest bit is () bit.
Among them,? 1? In the () position, it means ().
? 3? In the () position, it means ().
3. Omit the mantissa after the following tens of thousands of bits and find its approximate value.
16739600? 974000? 795400?
164999? 1307200? 2044700?
Fourth, solve the problem.
1, the million digits are 700,000 digits and the thousand digits are 5, and everything else is 0. What's this number? Omit the mantissa after ten thousand digits. About how much? (Write numbers)
2. Omit the mantissa after hundreds: 20 167396045?
The mantissa after omitting thousands: 20 167396045?
Omit the mantissa after ten thousand digits: 20 167396045?
The mantissa after omitting 1 100 million digits: 20 167396045?
Read "People's Education Press, Grade Four, Volume I, Unit 1 Understanding of Large Numbers" and read:
1. The first volume of the fourth grade mathematics examination paper and its answers.
2.20 16 Final Examination Paper and Answers of Grade Four Mathematics in Shanghai Primary School
3. The final examination paper and answer of the first volume of the fourth grade mathematics 20 16
4. The final exam questions and answers of the first volume of fourth grade mathematics.