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Math problems in the third grade of primary school
First, see the topic clearly and calculate it carefully. (36 points)

1, a number written directly.

35+24= 480-70= 160+240= 340- 150= 78+22=

62- 14= 700+80= 350+ 170= 430-280= 54÷9=

2, vertical calculation and checking calculation.

457+348 802 - 633 526+274 46÷5

700 - 546 376+95 86÷9 406 – 237

Second, carefully examine the questions and fill in the blanks. (28 points)

1, 2m = () decimeter 4000kg = () ton.

20mm = () cm 5 tons = () kg.

2. Fill in the appropriate units in the brackets.

① A watermelon weighs 3000() ② A cart of watermelons weighs 4 ().

③ The thickness of the math textbook is about 8() ④ The length of the classroom is about 8 ().

3. The number less than 120 times 80 is (). ()170kg above 50kg.

4. 14 divided by 3, the quotient is (), and the remainder is ().

5. The side length of a square is 4 decimeters and the circumference is ().

6. Fill in the largest number in the brackets.

( )×9﹤70 26﹥4×( ) 5×6﹤( )

90﹥9×( ) ( )×2﹤ 16 ( )×7﹤50

Third, compare repeatedly and choose carefully (fill in the serial number of the correct answer in brackets). (8 points)

1, an egg weighs 50 ().

① tons ② kilograms ③ grams

2. The divisor is 8, and the maximum remainder is ().

① 6 ② 7 ③ 8

3. In the figure below, () is a quadrilateral.

4. Make a big rectangle with two small rectangles with a length of 8 cm and a width of 2 cm. The longest circumference of this rectangle is () cm.

① 40 ② 36 ③ 24

Fourth, practice the operation and show your talents. (8 points)

1) Draw a line to divide the picture into triangles and quadrilaterals.

2) Measure first, and then find the circumference (unit: mm).

5. Go into life and solve problems. (20 points)

1. A rectangular vegetable field is10m long and 6m wide. What's its circumference?

2. There are 65 chocolates, and every 8 chocolates are packed in a box. How many boxes can you hold? How many pieces are left?

The grain store shipped 865 Jin of rice, and sold 278 Jin in the morning and 388 Jin in the afternoon. How many kilograms are left?

4. A train arrived at Anxi Station with 983 people, 94 people got off at Anxi Station and 68 people got on. How many people were on the bus when we left Anxi Station?

People's education printing plate third grade first volume mathematics final examination questions (60 minutes)

First, I can calculate.

1, the number is written directly.

30×4 800×7 63÷8 36+42 6×50 2×300 83÷9 85-78

2. Written calculation (with * calculation)

*2 14+568 460-208 137×4 *602-239 69÷9 605×7

Second, I will fill in

1, a set of "Little Scientist" is 287 yuan, and buying 4 sets is about () yuan.

2. There is a big grid of () on the clock face, and each big grid is divided into () small grids. If the second hand goes once, the minute hand will go () square.

The rectangular flower bed is 8m long and 4m wide. Its circumference is () meters. Form a square with its perimeter, and its side length is () meters.

4、2×5×3×9×0=( )

5. Put 15 red balls, 4 white balls and 1 black balls in an empty box and pick out any one. It is more likely to be a () ball, but it is least likely to be a () ball. The () picked out is a yellow ball.

6. What can I fill in ()?

( )×7