Selected exercises

1. Draw the following points. What is ABCD?

A(2，5) B( 1， 1) C(7， 1) D(6，5)

2. Look at the picture below. The location of Sun Qiang's family is (,), that of Zhou Ming's family is (,), and that of the school is (,). How does Wang Can Street get to Zhou Ming's house? Please mark three ways in the picture.

Fractional multiplication

Selected exercises

1. Calculate the following problem

×3= × = ×2= × =

fill in a form

3. Calculate the following questions in a simple way:

( 1) × ×8

(2)( +5)×

(3) 18×( + )

(4) ×4×

(5) × + ×

(6) - ×

4. Calculate the following questions continuously.

How many meters is (1) meters?

(2) How many kilograms is a kilogram?

A piece of chalk is one minute long.

(1) How many decimeters is five pieces of chalk?

(2) How many decimeters is 24 pieces of chalk?

How many decimetres is a piece of chalk equal to?

6. It takes 1 machine parts on average to complete 1 person hour. How many parts can five people produce in nine hours?

Selected exercises

1. "Young teachers account for about 20% of Yucai primary school teachers." Here, () should be regarded as the unit "1", and () belongs to it.

Judge right or wrong

Divide the 5-meter-long rope into 8 equal parts, one of which is meters long, accounting for the whole length. ( )

The product of two true fractions must still be true fractions. ( )

3. fill in >,