三年级数学试题(国外英文资料).docVIP

三年级数学试题(国外英文资料) 1, 7 cm long, 2 cm wide rectangular cardboard, cut out a maximum square, the length of the side is (2) cm, the perimeter is (8) cm. 2, the two sides of 4 cm square into a rectangle, his circumference is (32) cm. 3. The quadrilateral has (4) sides and has (4) angles. 4, rectangle and square are all (4 line segments) surrounded by the figures, they are (four sides) shape. 5. A parallelogram has (4) sides, and it is a quadrilateral. 6 when the four sides of a rectangle are equal, the rectangle becomes (square). 7. The figure formed by four equal length segments is (square) 8, the square side length increases 1 centimeters, his circumference increases (4) centimeters. 9, two identical squares can make a rectangle 10. The length of a triangle is 3 centimeters, and the other two sides are 5 centimeters, and the circumference of this triangle is (13) centimeters. 11, a rectangular piece of paper folded, cut along the fold, forming two small rectangles, then the two small rectangular perimeter and perimeter with the original rectangular compared (long) (long, short, unchanged) 12, a rectangular wooden frame gently pull, may become (parallelogram). 13. The length of a pair of parallel sides of a parallelogram is 16 cm, and the length of another pair of edges is 10 cm, and the circumference of this parallelogram is (26) cm. 14 when a rectangular group of leaders shrinks to the same length as the shorter side, the rectangle becomes a square shape. 15. a square perimeter is 24 decimeters, its length is (6). 16. the circumference of a rectangle is equal to (multiply by 2 + width by 2). 17. the circumference of a square is equal to (length * 4). 18., a long 12 meters of iron wire into a square, the square perimeter is (12) meters, the length of the side is (3) meters. The 19. retractable door is characterized by a parallelogram. 20. a long pillowcase 6 decimeter decimeter width 4, if its in lace around the set, at least (20) decimeter lace. 21. walk around a squa