Su Jiaoban sixth grade first volume primary school mathematics evaluation manual standard answer (new) Unit 1 (equation solving 1) The first question (omitted) 2. (1) pears arrive (4x-20) kg. (2) Dad's weight is (3X+ 15) kg. 3. Solution: He walks X kilometers every hour. 3x ﹢ 3 = 18 3x = 18-3x = 54。 Solution: The library covers an area of x square meters. 2x-20 = 4002x = 400+20x = 2 105。 Solution: There are X pear trees. x-500 = 1000 x2x-500 = 2000 x = 2500☆6。 Solution: Xiaohua is x years old. 3.2x-2.8x = 60.4x = 6x = 15 Use the series equation (2) 1 to solve the problem. Omit 2. (1)3X=70+20 Solution: 3x = 90x = 30 (2) 4x+ 15.5. 200 x÷2 = 8000 200 x = 16000 x = 80 4。 Solution: can stand x people. 16x = 20×24 16x = 480 x = 30☆5。 Solution: After expansion, X people can sit in each row on average. 36x = 36× 30+432 36x = 1 512x = 42 Solve the problem with Equation (3)1. Omit 2. (1) There are (4X) volleyball and (4X+X) volleyball and basketball. (2) There are (X+2.5X) pear trees and peach trees, and there are more pear trees than peach trees (2.5X-X). 3. Solution: There are X basketball and 3X football. 3x-x = 300 2x = 300 x = 150 3x = 150×3 = 450 4。 Solution: The grain in warehouse B is XT, and the grain in warehouse A is 2.5XT, x+2.5x = 350 3.5x = 350x =100 2.5x =100× 2.5 = 250 5. Solution: Warehouse B stores grain XT, and Warehouse A stores grain 3XT. 3x-40 = x+40 3x-x = 40+40 2x = 80 3x = 40×3 = 120☆6。 Solution: Warehouse A transports XT to Warehouse B by 2× (180-x0 =120+x360-2x =120+x240 = 3xx = 80). Solve the problem with a series of equations (4) 1.2 Omit 3-5. 6. Solution: X black rabbits and 2X+4 white rabbits. X+2x+4 = 493x = 45x =152x+4 =15x2+4 = 34 Review (1) 1-5 Omit 6. Set each exercise book to x yuan. 2x+ 1.8 = 4x-2.42 x = 1.8+2.42 x = 4.2x = 2. 1.2x+ 1.8 = 2×2. 1+ 1.8 = 4.2+6558。 ☆6. Solution: X days after shipment. 2×150x = 350x+900 500x = 350x+900150x = 900x = 6 250x = 250x =1500t350x+900 = 350x6+900. kloc-0/、8XX+88x-X2X+ 102.5 x3x+2.5x×26543358x+25+62x = 985 120 x+25 = 985 120 x = 960 x = 8 4。 5. Solution: Huawei X Yuan. 2× (x-30 = x+85-30 2x-60 = x+55x =15x+85 = 1 15+85 = 200 (floret1/.

Unit 2: Understanding of Cuboid and Cube (1) 1 Fill in the blanks. (1)6, 12, 8.(2) rectangle, 6㎝, 5㎝, 4㎝, 30 square centimeters, rectangle, 5㎝, 4㎝, 20 square centimeters. (3) Rectangular, 4㎝, 7㎝, 4㎝, square, 16㎝? , rectangle, 7㎝, 4㎝, 28㎝? . 2. Choice: ③, ①. ☆3 ellipsis. Understanding of cuboids and cubes (2) 1( 1) squares, 6, 12, 8, 4, 48 squares, 4, 16 (2) 15, 85, 5/kloc. (The side length is 5㎝ and the bottom area is 25㎝? ) ☆3: 10×4=40㎝ 8×4=32㎝ 92-(32+40)=20㎝ 20÷4=5㎝ 10×8=80㎝? (height 5㎝, bottom area 80㎝? The surface areas of cuboids and cubes are (1) 1. Fill in the blanks (1) 40,40,50,130 (2)15,6, 10, 1622: 3× 6× 2 = 36 square decimeter 4× 6. (The bottom area is 6.25㎝? , surface area of 37.5㎝? ) Surface area of cuboid and cube (2) 1: ②, ①, ②, 94㎝? 、0.64㎡、384dm？ 3. 1 m = 10 decimeter (10× 4+4× 410× 4) × 2 =192 square decimeter192-(4× The surface areas of cuboids and cubes are (3) 1 2, ①, 23-5 ☆6, (12×1+12×) × 2 = 50. The volume of the positive and negative cubes of a cuboid is (1) 1, (1)-(3) slightly (4) cubic centimeters (5) cubic decimeter (6) liters of 2, 3, 2, 2 ☆ 3, 32 cubic centimeters, 64 cubic centimeters and 72 cubic meters. 6 meters =60 decimeter 4×4= 16 square decimeter 60×4×4=960 cubic decimeter (cross-sectional area 16 square decimeter, volume 960 cubic decimeter) ☆5 cuboid and cube volumes are slightly (3) 1 slightly 2, ①, ③ 3-. (Volume 250㎝? ) cuboid and cube volumes (4) 1, (1)56, 1 12, 64(2), 2, 24, 8 (3), 3, 1,/kloc-. 、 184dm？ 、 160dm？ 3-4 Omit 5, 60 ÷ 3 = 20 ÷ 20 ÷ 4 = 5 ÷ 5+3 = 8 ÷ 5× 5× 8 = 200 ÷? (Volume 200㎝? The propulsive rate per unit volume is (1)1(1) 700,37,3240,6500,0.74,1.25 (2) 350,247,3500,244. 3600, 3.8, 3800, 0.2, 4900, 4.9, 2.5, 750, 750, 4, 2.4, 2400, 3-☆ 5. Progress per unit volume (3) 1, 3600, 8 14. > (3) 102-☆ 5 Slight review (1) 1 Slight review 2, ①, 33-☆ 4 Slight review (2) 1 4, 108, 2/kloc-0. 2 16、 15.6、8、 158、 120、4、8、280、6、6、6、2 16、2 16 2 、( 5×4+5×3)×2+4×3=82dm？ 82×2= 164dm？ (Maximum 164 dm? ) ☆3 Skip unit 2 test 1. Fill in the blanks, 1, 1800, 1.508, 5.4, 2,4, 1000, 162, d, f, 128. 2× 1× 1=2㎝? (surface area 8㎝? , volume 2 "? Fourth, omit the third unit: fractional multiplication and integer multiplication (1) 1, 3/7×4, 5/8×a 2, 3/ 10×2=3/5 (m), 3/4×4=3 (yuan). 2 hours = 120 minutes 3/2× 120= 180(KM) Fraction multiplied by integer (2) 1 slightly 2, 120×2/3=80(T). 135 ☆5 Slight fraction is multiplied by integer (3) 1 number of yellow flowers× 4/5 = number of red flowers, original output× 3/1 0 = current output is slightly 3,2/5× 60 = 24 (flowers) 4,4/7× a number. The reciprocal of 4/5×3/4=3/5(T)4×6=27/8 (square decimeter) 1, 13/5,13, 7/3,17. 5×1/4 =1/5 (m) (3) 4/5-1/5 = 3/5 (m) Review 1-4 omitted.

Unit 3 Test 1 Fill in the blanks, 36,625,4,3/7, =, Pine, Xiaoming, 27,3/4,2/3,23/36, A and B, calculate three choices, ②, ③, ④, ③, 65438. 5 meters, only 1/2. ) Divide this rope by 5-6 fractions,/kloc-0 /×1/8,8/9×112,×1/3,5/48× 65438+. The fractional points of 12×7/4 2, 3 and 4 are divided by 1, ×4/3, 5/6×9/ 10, ×3/2, 7/8×16/2/kloc-. 5= the number of boys, the number of black rabbits × 1/8= the number of white rabbits compared with the number of black rabbits, and the planned number ×110 = the actual savings compared with the planned number. 2, 3, 4 and 5 are slightly divided. (2) 1 omitted 2,9/6544. 4 (km) 4, 240×3/4÷6/7=2 10 (person) Review Unit 4 to fill in the blanks in the first and second tests, 7/ 10, 5/8, 2/5, 10,/. 1 The meaning of three choices, ①, ②, ①, ②, ④, 1 ellipsis, 2,240× 2/3 ÷ 4 = 40 (page) 3,4,5 ellipsis 1, 5: 7,5. 5: 42 is slightly 3, 9/5, 15/4, 40 4, and the travel time ratio of car A and car B is 6: 10. After simplification, the ratio is 3:5 3÷5=3/5, and the speed ratio of car A and car B is 80:48. After simplification, the ratio of 5:3 5÷3=5/3 is the basic property of 5/3: 1, 32, 30, 28,1:1,5:6 2 slightly 3, slightly 4, 2:. 130 2 ellipsis 3 ellipsis, 4 (1) 400 ÷100 = 4 (g) (2)1+100 =10/kloc- 3000 grams of water) Unit 5 tests a blank, 2/3, 1/3, 15, 15,15, 12, 40, 5. √ 3. Calculate four slightly, 1, 2, 3, 4, 5, fill in the blanks in the mid-term exam, 4/5, 1/6, 4/5, 15/8, 8/ 15, 7080. 10 1, 10 Choose one from the other, ①, ②, ③, ③ Three is slightly four 1-6 is slightly seven, and the surface area of a cuboid is 10a? 4×2=8dm cubic surface area: 6a? 8×4×4= 128dm？ 10a？ -6a？ =64 4a？ =64 a？ = 16a = 4 (the original cuboid wood volume is 128 cubic decimeter) The fractional elementary arithmetic unit omits the strategy unit for solving problems (these two units are relatively simple and do not write answers). Units 6 and 7 tested a blank, 3/8, 16, 12, 9 and 65438. 289, 3/7, 3/4, last year's income, 9/7, 160, 200, 5, 3, 1/54, 7, 6, 9, 3, roughly three choices, ③, ③, ②, ④ 65438. 4x+(60-x)×0.5 = 1004 x- 1/2x = 707/2x = 70x = 2060-x = 60-20 = 407。 Solution: pear X box, apple 2/5X box. X+2/5x = 700 7/5x = 700x = 500 2/5x = 200 (200 boxes of apples and 500 boxes of pears) 8,26 ÷1/5 =130 (pieces)130× 13=56 (pieces) 104×6/ 13=48 (pieces) (56 pieces by master Zhang, 48 pieces by master Zhang) The meaning of probability percentage is 1, slightly plus 2, √, √ percentages and decimals, and scores. 1.13,4,25,80,12.5,0.125,1/8,96, unqualified, 4,4120,46. √× 4. Select, ②, ②, ③, ① five operations, slightly six, slightly final test one, slightly two blank, cuboid, 2,3500,0.6,750,36,②, ①, 4.5,30,2: 3,3: 5,64,37.5. 9. This year's output, last year's output and three drawings "√"1,8,2,15,3,16/9,4 and10; 1, 5, 1/2, 6, four omissions cannot be determined.

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