Mathematics resources of fifth grade in primary school and its evaluation
Multiply sum factor
Is the digital world easy to drill? ⒉×××√×。 Ability improvement: ⒌ (1) 24, 52, 32 (2) 35, 25, 45 (3) 42, 24, 54. ? The answer is not unique? Just write one in each group? Gather sand into a tower? 6. Small width? No one else can report multiples of 3. Adventure activities? One? Easy exercise? ⒉√√√√? ⒊○△△○○○△。 Capacity improvement: 1. Is there redundancy in the two-person group and the five-person group? Because 123 is not a multiple of 2 and 5. ⒏20 fragments in a? Can't you just finish loading it? Because 250 is not divisible by 20? Can I just finish one of the 50 bags? Because 250 is divisible by 50. Gather sand into a tower? Is it even? Odd numbers? Even number? odd number
Adventure activities? Two? Easy exercise? 3. Ability improvement of B, A and D: 3, 6, 30, 36, 60, 63, 306, 360, 603, 630? ⑵36、63、306、603、630、360? (3) 10? Six? Maybe? It must be.
Gather sand into a tower? ⒏ Minimum value? 50 10? Maximum? 5970。 Find a factor to drill easily? 1. (1) Two kinds of ⒖120,990 capacity increase: 1. Row number1.
2 3 4
9 6 12
Number of people per row is 36
18 12 9
4 6 3 2 1
Gather sand into a tower? ⒏ It may be 6, 12, 24, 48. Find prime numbers and practice easily? 3. the ability of b, b, b, c and c is improved: 6. Each box can be packed in 2 bottles, 5 bottles, 10 bottles and 25 bottles. Is the parity of numbers good? (1) Up and down (2) Green, red and green? ⑶ Even (4) odd capacity improvement: ⒌ 4 1, 43,45? The product is strange. Gather sand into a tower? Once? b a？ B a× b a÷ b Qiqi odd odd odd odd Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi Qiqi.
Unit detection is easy to practice? 92 or 36? 3 and 19? ⒊××××××。 Ability improvement: ⒒ 18, 9, 6, 3, 2? (3) 2 and 23,83? Gather sand into a tower? ⒓76 129
Compare the area of two graphs with the area of two graphs? ⒈⑵、⑷? ⒊②? 1. Is the graphic area capacity of 7.28 cm carpet improved? 6. 18 square centimeter to make a sand tower? ⒏ 4+8+8+8 = 36 cm parallelogram area 103 Easy to drill? (3) Square and rectangle are equal (4) (5)19cm (1) √ (2) × (3) √ (4) √× √ 40m sand to make a tower? ⒐? 27? 8? ×15 = 285m2 Triangle area is easy to drill? (1) exactly the same? Parallelogram? Half? (3) Right angle edge? 4.( 1) √ (2) × (3) × (4) × (5) × Ability improvement? 6 meters? 4000 square meters? ⒏ First, how many triangles does the rectangle have 12? Is the width 10 triangle height? Can a * * * make 12× 10×2=240 flags? Gather sand into a tower? (9) Does the area of a big square cross the area of a triangle? 8×8? 4×4÷2=56 square centimeters. Is the area of trapezoid easy to drill? (1) parallelogram and trapezoid? ⑶ 64? 2. χ (1) × (2 )× (3 )× (6)1488 square meters? Ability improvement? 6. 1620 tree? ⒎ 13m？ ⒏ 1008 square meters? Gather sand into a tower? Pet-name ruby 490 square centimeters. Unit detection is easy to practice? ⒈⑴360? ⑵ 1240? (3) also expanded to four times the original? (4) restore to the original? 5] Equality? ⒉⑴×⑵×⑶×⑷×⑸×? ⒊⑴B⑵C⑶B ⑷A⑸C？ 484.8 kilograms? 5 Jin? Pet-name ruby 666 square meters? ⒑ 130? You have to get rid of the unused materials on the side to build the tower? 5.2 100 m2
Three scores
Re-understanding of scores 104 easy practice? 3.( 1) unit "1", 8,5? ⑵5、、? ⑶、? Ability improvement? Made a tower out of sand? ⒏ Not necessarily. Because the total number of students in grade three and grade four may be different. A simple rehearsal for sharing cakes? ⒋⑴、? 2, six fifths, false? (3) Seven and one sixth? ⑷a？ 8、a≥8、a？ 1、a？ 8 。 ⑸? Ability improvement? 5.⒍⑴C⑵B⑶B⑷C？ ⒎ (1) × (2) √ (3) √ (4) √ 8. What are the false scores of molecule 9? The denominator is 9. Are there any fractions and divisions that are easy to practice? ⒉⑴、? (2)1km, 4, 3. (3) and (4) numerator and denominator. Ability improvement? ⒍⑴ A. ⑵ B . ⑶C.⑷ D. ⒎、。 ⒏.⒐ 6 。 Collect sand to make a tower? x？ Natural number of 9? 2 x ≥ 9 natural number? (3) x is a multiple of 9? ⑷ x？ 9? ⑸ x？ 0。 How to improve the basic properties of scores? (6) (1) magnification of 2 times. (2) Add 5. (3),, 9? ⑷ ⒎⑴.⒏、、。 Collect sand in a tower? Does Xiaoming spend a lot of money? 1 yuan or more. Find the greatest common divisor and improve your ability? ⒊⑴C⑵B⑶B？ ⒋⑴×⑵×⑶×⑷√? Group 6? Each group has 8 bottles of drinks and 5 loaves of bread. ⒍ 25? Gather sand into a tower? ⒎ ① Cut 72? (2) Forty-nine square decimeters. Improve the ability to sign contracts? ⒍⑴B⑵C⑶B⑷C？ ⒎⑴√⑵√⑶√? ⒏⑴? Gather sand into a tower? ⒐。 Looking for the least common multiple ability improvement? ⒌⑴A⑵B⑶B⑷B？ ⒍⑴√⑵×⑶×⑷×? 40 bucks? 58 trees? Gather sand into a tower? (9) nail repair is fast. How much does the scoring ability improve? ⒎⑴×⑵×⑶√⑷√⑸×。 ⒏⑴C⑵A⑶B⑷C。 5. Countless. 5. Eat more apples? Is it fast? Gather sand into a tower? ⒔。 Unit detection is easy to practice? ⒉⑴√⑵√⑶×? ⑷×⑸√⑹√? ⒊⑴B⑵A⑶C⑷A、c？ 5] A [6] A [6] B, c ability improvement? (1) Tuesday? (2) 420? (3) 5 decimeters? 63 bucks? ④228 kilometers.
Four-fraction addition and subtraction
Improved origami ability? ⒌⑴⑵⑶? 6. Strong and fast? Quick score? Gather sand into a tower? Improve the ability to arrange sundays? ⒌⑴×⑵×⑶×? ⒍? ⒎? Wang? ⒐⑴⑵? Gather sand into a tower? ⒑。 How to improve the time ability of reading extracurricular books? Wang Hua. ⒍。 Once square meters. Gather sand into a tower? Has the detection ability of the unit been improved? ⒐? ⒑? 5] Is Little Fairy the tallest? Bing Bing is the shortest? 0.04 meters or meters high? ⒔1.65m? 5. tons? Gather sand into a tower? 5] ⒖93-year's mid-term detection ability has been improved? ⒑⑴4? Lily, red? (3) 30 days (4) ① 48 square meters? ②4608 kg? 5] 32 square meters? [6] 60 yuan? 36 square centimeters at a time? (8) Seven tenths? ⑼933.85m2。 ⑽ meters? Gather sand into a tower? ⑿4 square decimeter? 6 square decimeters.
What is the area of this figure? Two?
Is the area of the combined figure a sand tower? 46 square centimeters of footprints to make a tower? 35.75 square meters, want to exercise easily in the same cage as guessing chickens and rabbits? 1. Chicken? 1 1? Rabbit? 14? 5 yuan 8? 2 yuan 10? Capacity improvement: 13. Right 7 lanes? Wrong three lanes? Gather sand into a tower? Four big ships? Practice the rules easily in the five squares of the boat? ⒈25。 [13] (1) The number 9 in the fifth line? The number 15(2) 16 in the eighth line? 100. Unit detection of sand accumulation into towers? The area is 2544 square centimeters? Need to fertilize 636 kilograms? Yuan
The size of six possibilities.
A pool game, a pool of sand makes a tower? (1) (2) Mathematics and life welcome the New Year? ⒋⑵。
Unit detection gathers sand into a tower? (9) Five of the cards in10 are 4? 5]192 m2, 38.4 kg. Total review number and algebra? Two and three? 9, 18 or 36? ⑶ 105? ⑷a？ 2，a？ 2? 5] open? Turn it off? ⒉⑴×⑵×⑶×⑷×⑸√? ⒌⑴C⑵C⑶B⑷A⑸A？ ⒒? 7 meters. 48 people? ⒕ ? 0.845 tons? ⒘。 It takes 1350 yuan to rent six trolleys and one car. Space and graphics? ⒚⑵42⑶30⑷ 13⑸ 17.4⑹ 18 ⒛⑴×⑵√⑶×⑷×⑸×? 22. 1 12cm2、46cm2？ 23.220cm2、48cm2？ 24. 160 cm2？ 25.40.5 cm2？ 26.658 pieces. Statistics? 28.？ 29.？ 30. What is the total number of red balls? White balls account for the total? Yellow balls account for the total? 37÷6=6? Group? 1? The 37th colored ball should be red. Final exam (4) = 0.625 or =0.3 (cycle)? =0.36 (period) once (1) (1)? ⑵③? ④? ⒏⑴②? (2) (1) The area of Chinese cabbage is 30 square meters? Radish land covers an area of 36 square meters? Is radish big? 6 square meters? ② 1008kg？ ⑶? ④8 minutes and 40 centimeters? 5] 2 sunny days? Six rainy days? Seven big ships? Two boats? * * * 208 yuan.