最新上-小学数学四年级上资源与评价答案优秀名师资料.doc
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1、上-小学数学四年级上资源与评价答案四年级上数学资源与评价答案 一 认识更大的数 数一数 能力提升 ?4800000 24000000 ?1、10 (答案不唯一) 人口普查 能力提升 ?6666000?6066600(答案不唯一) ?60660600(答案不唯一)?6060606。 ?682或341 国土面积 能力提升 ?71万 106万 ?5亿 45亿 ?7500401 近似数 能力提升 ? ?504999 495000 单元检测 轻松演练 ?C B C B D C 二 线与角 线的认识 轻松演练 ?直线 直线AB?射线 射线CD?线段 线段EF 聚沙成塔 ?6条 平移与平行 轻松演练 ? ?
2、4组 相交与垂直 轻松演练 ? 旋转与角 轻松演练 ?BBCB ?3 ?3 角的度量 轻松演练 ? 聚沙成塔 ?35? 90? 55? 35? 画角 轻松演练 while the lawn is still in a great stage of life activities, compared with the previous two periods, lawn water requirements increase at this stage, if not timely irrigation, not only affect the growth of grass, also cau
3、ses yellow. At this stage, according to 4-5 of irrigation. In short, grass types, water requirements are different, you mustAccording to the climate conditions and plant species to determine irrigation of the lawn. About a day, when irrigation is better depends on irrigation. In theory, the same per
4、iod as long as the amount of irrigation water is less than the infiltration capacity of the soil, irrigation all the time in a day. Then depends on the irrigation way. If intermittent intermittent spray or spray irrigation (high degree of atomization), irrigation is best with the Sun. Not only can a
5、dd moisture, but also significantly improve the microclimate and photosynthesis and transpiration and gas exchange, facilitated the coordination of water, air, fertilizer and soil thermal and vegetative organs of root and root expansion, and could lead the entire transit storage of the plant materia
6、l, breathing, lawns and lush. If using water, irrigation, and so on, should be watching season, early spring, late autumn around the heel as well and the rest take twilight as much. (2) irrigation irrigation quantity should be based on the soil, growing, grass and other factors to determine. General
7、 lawn growing season drought period, takes about a week to pay 20-40mm; vigorously growing lawn in the heat and severe drought situations, need to pay 50-60mm per week or more. In General, regardless of the method, should be irrigated more than once, each time less water, maximum surface runoff that
8、 just occurred. 2, fertilizing to maintain lawn dark green leaves, grows, portions must be fertilized. Lawn plants for leaf growth and blossom-free requirements, so nitrogen is more important, response to nitrogen fertilizer is the most obvious. Should be basic application ?女孩说的对。 走进大自然 轻松演练 ?一百一十三万
9、 五千四百二十 七 百万 ?43721 4万 单元检测 ? ?CBABB ?90?45?90?45?45?135?180? 三 乘法 卫星运行时间 轻松演练 ?9900 ?4 能力提升 ?4176元 ?4740元 聚沙成塔 ?6096=5760(元)11045+(60-45)90=6300元。6300元,5760元,赢利。 体育场 轻松演练 ?590 120 1300 1900 ?3 4 4 8 8 6 ? 能力提升 ?160个。 ?1400本 ?2800本 ?2200元 2034元 聚沙成塔 ?12000个 神奇的计算工具 能力提升 ?36000万次 ?1620元 3808元 总计:伍仟肆佰
10、贰拾捌元 探索与发现一 能力提升 ?18 12345679 63 聚沙成塔?49 探索与发现二 能力提升 ?270页 ?23000千克 ?5800元 聚沙成塔 ?9000 100000 探索与发现三 轻松演练 ?B?C ?= ?,?,?, 能力提升 ?(52+38)132=11880元 ?2623+2334=1380元 ?不够。 while the lawn is still in a great stage of life activities, compared with the previous two periods, lawn water requirements increase
11、at this stage, if not timely irrigation, not only affect the growth of grass, also causes yellow. At this stage, according to 4-5 of irrigation. In short, grass types, water requirements are different, you mustAccording to the climate conditions and plant species to determine irrigation of the lawn.
12、 About a day, when irrigation is better depends on irrigation. In theory, the same period as long as the amount of irrigation water is less than the infiltration capacity of the soil, irrigation all the time in a day. Then depends on the irrigation way. If intermittent intermittent spray or spray ir
13、rigation (high degree of atomization), irrigation is best with the Sun. Not only can add moisture, but also significantly improve the microclimate and photosynthesis and transpiration and gas exchange, facilitated the coordination of water, air, fertilizer and soil thermal and vegetative organs of r
14、oot and root expansion, and could lead the entire transit storage of the plant material, breathing, lawns and lush. If using water, irrigation, and so on, should be watching season, early spring, late autumn around the heel as well and the rest take twilight as much. (2) irrigation irrigation quanti
15、ty should be based on the soil, growing, grass and other factors to determine. General lawn growing season drought period, takes about a week to pay 20-40mm; vigorously growing lawn in the heat and severe drought situations, need to pay 50-60mm per week or more. In General, regardless of the method,
16、 should be irrigated more than once, each time less water, maximum surface runoff that just occurred. 2, fertilizing to maintain lawn dark green leaves, grows, portions must be fertilized. Lawn plants for leaf growth and blossom-free requirements, so nitrogen is more important, response to nitrogen
17、fertilizer is the most obvious. Should be basic application 聚沙成塔 ?2600 ?73700 单元检测 轻松演练 ?四 千 ?410 ?6000 6578 ?54321? 25 4 交换律和结合律 ?7 分配律 ? ?B?A?B?A?C ?,?=?,?, 能力提升 ?22030=6600(个)?能 ?23254=2300(元) ?403512=16800(人)16800人,16000人,能。 聚沙成塔 ?甲店便宜 四 图形的变换 图形的旋转 轻松演练 ?90?顺 90? 聚沙成塔? 单元检测 轻松演练 ?旋转?O 90? ?A?B
18、能力提升 ?B 下 2 ?C 90 左 2 ?D 顺时针 90 上 2 期中测试 ?小水泵每小时抽水15吨 ,大水泵抽水30吨。 五、除法 买文具 能力提升 ?720?80=9(厘米) ?720?(8020)=12(厘米) ?240?40=6(个) 聚沙成塔 7.9人 路程、时间与速度 聚沙成塔 8.34km/s 参观苗圃 能力提升 ?720?30=24(套) ?720?24=30(套) ?720?60=12(套) 聚沙成塔 7.24 960 20 480 秋游 while the lawn is still in a great stage of life activities, compa
19、red with the previous two periods, lawn water requirements increase at this stage, if not timely irrigation, not only affect the growth of grass, also causes yellow. At this stage, according to 4-5 of irrigation. In short, grass types, water requirements are different, you mustAccording to the clima
20、te conditions and plant species to determine irrigation of the lawn. About a day, when irrigation is better depends on irrigation. In theory, the same period as long as the amount of irrigation water is less than the infiltration capacity of the soil, irrigation all the time in a day. Then depends o
21、n the irrigation way. If intermittent intermittent spray or spray irrigation (high degree of atomization), irrigation is best with the Sun. Not only can add moisture, but also significantly improve the microclimate and photosynthesis and transpiration and gas exchange, facilitated the coordination o
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