First, look at the chart.
1, addition calculation: ()+()+()+()+() = ()
Multiplication calculation: ()× () = ()
2. Addition calculation:
Calculate by multiplication:
Second, fill in the blanks
1, 6 is (); 24 is ().
2. The reciprocal of is (); () and are reciprocal.
3、 ×( )= ×( )=0.5×( )= 1。
Step 4 fill in ">"
× ○ × ○ × 1○ ×0
5. The circumference of a square with a side length of decimeter is () decimeter.
6. The height of the parallelogram is decimeter, and the bottom is high. The area of this parallelogram is ().
7, reading a book, read the whole book every day, read the whole book in 3 days ().
8. A bag of flour is 25 kilograms. Those who have eaten have eaten () kilograms, and there are () kilograms left.
9, more than 30 kg is (); Less than 36 meters is ().
/kloc-Class 0/0 and Class 6 (4) have a total of 45 students, including girls () and boys ().
Third, the calculation problem
×( - ) ( 13+ )× × 12+
× + ÷ ×( - × ) × 1 1-
× + × + + + × ×
10 1× - ×48 ×34×7×
Fourth, multiple choice questions.
1, how to find the sum of three, and how to make the formula simple ().
a、3+ B、×3 C 、+ + + +
2, a bottle of oil weighs 8 kg, and after eating 1 kg, there is still () kg left.
a、4 B、7 C、9
3, 12× (+) = 3+4 = 7, calculated according to ().
A, multiplication distribution law b, multiplication commutation law c, multiplication association law
4, the following products are greater than the multiplicand is ().
a、×0.55 B、3× 1°C、4 ×
5, formula 3 x 4 how to calculate the next step ().
A, 3 ×4+× B, 3 ×4 (direct reduction) C, ×
Five, solve the problem:
1, Xiaohua read a book with 132 pages. On the first day, he read the whole book. On the second day, how many pages did Xiaohua read the next day?
2. Students from three classes in Grade Six plant trees together. Plant 80 trees in a class. The number of trees planted in Class Two is one class. Class three planted seven more trees than Class two. How many trees have Class Three planted?
A grain store has 560 tons of rice and 350 tons of flour. How many tons of rice can be transported to make the remaining tons of rice equivalent to flour?
Nanjing Yangtze River Bridge is about 6800 meters long, and Wuhan Yangtze River Bridge is equivalent to it. How long is Wuhan Yangtze River Bridge?
5. A rectangular iron plate is 6m long and10m wide. What is the area of this iron plate? What's the circumference?
6. A batch of cement used 12 tons, and the rest was also used. How many tons is this batch of cement?
7. Yihua Computer City has 220 computers, which are sold out on the first day and left over the next day.
How many computers were sold the next day?
This restaurant bought tons of flour. On the first day, how many tons of flour did it use? On the second day, how many tons of flour did it use?
Sixth, think about it and calculate it.
The picture below shows a pile of discs. If one of them is painted red, how many disks do you need to be painted red? If you take four pancakes and color the rest red, how many pancakes do you need to color red? Agree with 3| Comments (2)