Name of school class
First, solve the equation.
x+0.7 = 4.5Y-45 = 72 x×0.5 = 76Y÷6.8 = 4
Second, write down the greatest common factor of each group number below.
35 and 40 3 and 5 5 1 and 17 12 and 24.
Third, fill in the blanks.
1, Little M's position in the class is (4,5), and he sits in column () and row ().
2. The greatest common factor of12 and 18 is (); The least common multiple of 64 and 72 is (). 、
3. Give six children 18 sweets, and each child gets () of these sweets, which is ().
Five children share these sweets.
4. Divide the 2m-long rope into 4 sections on average, each section is () meters long and each section is () long.
Fourth, the judgment question.
1, when the greatest common factor of two numbers is 1, the least common multiple of two numbers is their product. ( )
2. The formula with unknown number is an equation. ( )
3,2b = a, and the least common multiple of a and b is a. ()
4. Two natural numbers whose common factor is 1 must be prime numbers. ( )
Fifth, the application problem.
1, a rectangular piece of paper, 36 cm long and 24 cm wide. How many square pieces of paper of the same size can this rectangular piece of paper be planted? What is the side length of each square?
2. A basket of apples is evenly distributed to 12 or 8 people, and they can all be eaten just now, and there is no surplus. How many apples are there at least in this basket?
3. Continuous movie tickets 10. How many different ways are there for four consecutive movie tickets now?