1.the area of a stage in square shape is 676 m2.find its length.2.dad gives a box of candies to mandy for her birthday.the box is a cuboid which has length 10cm ,width 6cm and volume 180cm.find its height.3.jack uses a piece of wire to from an equilateral triangle of side 14cm.but michelle reforms it to be a square.what is the area of the square?4.francis had $150.he used 20% of the amount to buy stationery and 34% to buy a toy.a.how much did he save

问题描述：

1.the area of a stage in square shape is 676 m2.find its length.
2.dad gives a box of candies to mandy for her birthday.the box is a cuboid which has length 10cm ,width 6cm and volume 180cm.find its height.
3.jack uses a piece of wire to from an equilateral triangle of side 14cm.but michelle reforms it to be a square.what is the area of the square?
4.francis had $150.he used 20% of the amount to buy stationery and 34% to buy a toy.
a.how much did he save he leave?
b.if franic saved 50% of the remainder,how munch did he save?
5.miss chueng asked her students to calculate 18.84×31.27and correct the answer to the nearest ten.joe,ken and eva proposd three different calculation methods.try to complete the following.
a.joe:calculate 18.84×31.27=___________
joe's answer was___________(correct to the nearest ten)
b.ken:write doen 18.84=___________(correct to nearest one)
31.27=___________(correct to nearest one)
multiply the two approximate values_________×_________=_________
ken's answer was________(correct to the ten)
c.eva:write dowen 18.84=________(correct to the ten)
31.27=________(correct to the ten)
multiply the two approximate values_________×_________=_________
eva's answer was________(correct to the ten)
6.according to question 5 whose method is the best?_________

答

1 .面积方形阶段,它是m2.find 676长度。

2.dad给一盒糖果来为她的birthday.the李逸朗在内的框是一个长方体有长度、宽度、体积年180cm.find公分高。

3.jack用一根金属丝的等边三角形的一面14cm.but米歇尔的改革是一square.what的面积是广场吗?

4.francis美元金额的20% 150.he用于购买文具和34%买玩具。

他救了多少,他离开吗?

假如franic救了50%,其余的是如何?他嚼

5.miss chueng问她的学生来计算18.84×31.27and正确答案到最近的ten.joe,肯恩和伊娃proposd三个不同的计算methods.try完成以下。
a.joe×18.84计算31.27 = ___________
乔的回答was___________(正确的最近的10)。
b.ken 18.84 = ___________写电话(正确的最近的一个)。
31.27 = ___________(正确的最近的一个)。
values_________乘以2×_________ = _________近似
肯恩的回答was________(正确的),
c.eva 18.84 = ________写dowen(正确),
31.27 = ________(正确),
values_________乘以2×_________ = _________近似
伊娃的回答was________(正确),

问题5 6.according的方法是最好的? _________
1.26m
2.3cm
3.110.25m^2
4.a$81 b$40.5
5.a.589.1268 590
b.19 31 19X31=589 590
c.20 30 20X30=600 600
6.a.joe

答

1.26m
2.3cm
3.110.25m^2
4.a$81 b$40.5
5.a.589.1268 590
b.19 31 19X31=589 590
c.20 30 20X30=600 600
6.a.joe

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