45+40= 8×9= 9×6= 4×7=

6×9-9= 35-9+9= 8×8-50=

24+30= 8×4= 28- 13= 7×9=

5×3= 57-7= 47-20= 60-3=

65- 15-50=

Second, the written calculation (15)

47+48= 83-63= 75-58=

35+48-75= 47-29+36= 60-26- 16=

Third, think about it (26 points)

1, 5+5+5+5+5+5 = (), written as () and pronounced as ().

2. Fill in the appropriate length unit in ().

Length 6 () Height 30 () Width 60 () Height 2 ()

3. Fill in ">" in ○. , "<, or" = ".

44+5 ○ 50 80 ○ 19+6 1 73-25 ○ 40

4. Fill in "+","-"or "X" in ○.

4 ○ 4 = 8 5 ○ 3 = 15 3 ○ 3 = 9

5. How much can I put in ()?

7×( )﹤50 ( )× 9﹤56 62﹥( )×7

4×( )﹤3 1 ( )× 8﹤65 35﹥( )×6

6. Aunt Zhang went to the supermarket with 100 yuan. 39 yuan is used to buy milk, and 42 yuan is used to buy oil.

It cost about () yuan to buy these two things; There is about () yuan left.

7. Three cards can be put into () two digits, namely ().

Four, began to draw a picture (8 points)

1, draw △. The number of (△) is three times that of ○) 2. Draw a line 2 cm shorter than 5 cm.

○○○○

Draw a right angle with point a as the vertex. Please draw the other half of the house according to the symmetry axis.

Verb (abbreviation of verb) statistics (10 score)

1. Draw the word "positive" for statistics. Figure 2. Complete the following statistics with colors.

The fruit in the bowl. Answer the question.

(1) () is the most, () is the least; ② There are as many () as ().

Six, look at the picture and write the formula (8 points)

1、

2、

Formula:

Seven, solve the problem (5+8, *** 13 points)

Step 2 shop

(1) is expensive 19 yuan. How much is one?

(2) Xiaohong has 100 yuan. Is it enough to buy one after another?