1. Use the score to represent the shaded part in the figure below.
The shaded part occupies the whole rectangle (). The shaded part is ()
The decimal unit is (), and the decimal unit is ()
There are () such units and () such units.
Second, use points on a straight line to represent the following scores.
2 14 23 32 124
Three. If >, c, a > c, a, b and c are not equal to 0 in brackets, then the smallest of the three scores of 2a, 2b and 2c is ().
A.2a B.2b C.2c
Fourth, compare the size of each group. (24 points)
(1)35 12 and 3720 (2)58, 25 and 34 (3) 1425 and 0.52 (4)0.3, 4 15 and 25.
Volume 10 Meaning Unit Test of Mathematical Fractions Volume D
Fill in the blanks.
1.78 means (), its decimal unit is (), and it has () such units.
2. Divide 48 students into 8 groups on average, and the number of students in each group is () of the whole class.
3.4 15 plus () its scoring unit gets 35; If the numerator of 4 15 is added with 8, the denominator should be added with () to keep the size of this fraction unchanged.
4.97 kg = () tons 53 hours = () days
4080 meters = () kilometers 235 square decimeters = () square meters
5. The smallest true score with denominator of 7 is (), the smallest false score is (), and the smallest band score is ().
6. The sum of all the simplest true fractions with the fractional unit of 1 10 is ().
7. Fill in the form.
Represented by composite numbers, expressed by decimals, and expressed by fractions.
5.4 decimeter
418kg
3.25 hours
2 square meters 5 square decimeters
8. fill in >,