Class: Student ID: Score:

I. Oral calculation (10)

52+49= 80―27= 300+700= 56÷( )=8

49+7= 40×5= 9÷ 1= ( )―200=320

12×3= 120―40= 63÷7= ( )+80= 160

78― 18= 47+33= 9×4= 8×( )=64

54÷6= 420―400= 9 1― 16= 150―( )=60

Two. Fill in the blanks (25 points)

1, 10 ten is (), 10 () is one thousand.

2. There are 266 second-grade students in Anjuyuan Primary School, with () writers, consisting of () hundred, () ten and ().

3, a three-digit number, its highest digit is (). The highest digit of a number is thousands, that is, () digits.

4. Of the three digits consisting of five, four and zero, the smallest is () and the largest is ().

Kittens, puppies and rabbits take part in the long jump. The cat jumped 5 meters, the dog jumped 98 centimeters and the rabbit jumped 1 meter. The first place is (), the second is (), and the third is ().

6.462, 285, 96, 905, 390, 499, 509, the number less than 300 is (); The number between 300 and 500 is (); The number closest to 1000 is ().

7. Fill in the appropriate length unit in the brackets.

The thickness of a coin 1 min is about 1 (), and the length of the bed is 2 ().

The height of Xiao Zhang is 138 (). A shoe is about 2 () long.

8、

() Present () = () copies ... ()

() ÷ () = () ...()

9, □ ÷ 7 =□………, and the maximum remainder is (). 874 > 8 □ 3, □ can be filled at most ().

10, a book has read 107 pages, and there are 96 pages left. This book is about () pages. (Fill in whole hundred)

Third, use vertical calculation and use ★ to check the questions. (17)

★487+2 13= ★903―265=

62÷9= 42×2= 3 15+276+ 109=

4. fill in >,