1. Fill in the formula completely first, and then write two multiplication formulas according to the formula.

Seven () fifty-six: ()? ( )=( ); ( )? ( )=( )。

2. Both factors are 8, the product is (), and then subtracting 8 is (). Both addends are 8, and the sum is ().

3.5+5+5+5 rewritten as multiplication formula is ()? () or ()? ( )

4. A cube has eight vertices and seven cubes * * * have () vertices. The formula is ().

Read ().

5. Xiao Li drew

○ Yes (), the number of △ is 9 times that of \ u \ u \ u \ u, and △ has ().

6. fill in ○? +、-、? 、gt； ,< or =? .

4○9=36 3? 4〇4? 5 16+20○35

40○4=36 2? 2○2+2 2? 8+8○8? 3-8

7. What can I fill in ()?

( )? 8 & lt65 9? ()& lt5? 9 30 >； 5? ( ) ( )? 6 & lt43

8. Fill in the appropriate unit name and number.

One tag is 10 (). Mom is 1( )62 (). She walked about 55 () step by step.

2m-100cm = () m 6m+49m = () m.

9. Try counting. (2 points)

There are () line segments in the above picture, and a * * * has () angles, including () right angles.

10. Xiaoming wrote 29 words yesterday, 47 words today, about () words in two days.

Second, it is a court of right and wrong. That's right. Draw it in ()? , wrong painting? . (5 points)

1、8+8+8=3? 8=8? 3 ( )

2, there are three students, every two people shake hands, a * * * to shake hands six times. ( )

When the clock shows 3 o'clock, the hour hand and the minute hand are at right angles. ( )

4. The difference between the minimum two digits and the maximum two digits is 90. ( )

In the multiplication formula, the product must be greater than the factor. ( )

Third, the eyes are golden. Fill in the brackets with the numbers before the correct answers. (3 points)

1. The size of the angle and the length of two sides ().

① Relevant ② Unrelated ③ Uncertain

2. In the figure below, the symmetrical figure is ().

① ②2 ③3

4. () is the way F looks in the mirror.

5. About 7 o'clock? 4=28, the wrong statement is ()

A.7 and 4 are factors and 28 is the product. B. it means 74+ or 47+.

C, rewritten as the addition formula is 7+4= 1 1.

Four, mathematics highway (25 points)

1. (10)

6? 7= 9? 9= 3? 6= 2? 6= 8? 3+4=

36+4= 8? 7= 2? 2= 9+57= 3? 4+9=

5? 6= 18+60= 9? 3= 5? 5= 38- 18+25=

4 1-2= 6? 9= 8? 5= 7? 2= 7? 5-3=

2. Use vertical calculation. (12)

62+35= 46-28+23= 9 1-59= 82-37- 12=

5. I am a little painter. (7 points)

1. Draw a line 2 cm shorter than 6 cm. 2. Draw a right angle with a given point and write the names of each part of the angle.

6. A kaleidoscope of life. Examine the questions carefully and analyze them carefully. You must not find the following question difficult.

1. Class 2 (3) planted 45 trees. Class two (2) is more diverse than Class two (3) 18 trees. How many trees have been planted in Class Two (2)?

2. A pot of water can pour four large glasses of water, 1 a large glass of water can pour three small glasses of water, and a pot of water can pour several small glasses of water?

On Sunday, Xiaoming and four classmates went to the park to play. 5 yuan for children in the park. How much did they spend? Take 30 yuan. Is there enough money to buy a ticket?

Xiaoming is 8 years old, his grandfather is 72 years old, and his father is five times as old as Xiaoming. (9 points)

(1) How old is Dad this year?

How old is grandpa than dad?