1.新华小学的160名少先队员在“爱心日”为福利院做好事。这些少先队员平均分成5队,每队分成4组活动。平均每组有多少名少先队员?
答案
1. $160÷5÷4=8$(名)
答:平均每组有8名少先队员。
答:平均每组有8名少先队员。
2. 商场安装彩色玻璃,每块长40厘米,宽35厘米。每块玻璃的面积是多少平方厘米?如果每平方分米2元钱,每块玻璃多少元?
答案
2. $40×35=1400$(平方厘米) $14×2=28$(元)
答:每块玻璃的面积是1400平方厘米,每块玻璃28元。
答:每块玻璃的面积是1400平方厘米,每块玻璃28元。
3.学校操场原来长100米,宽80米。扩建后长和宽各增加20米。扩建后操场的面积增加了多少平方米?
答案
3. $(80+20)×(100+20)-100×80=4000$(平方米)
答:扩建后操场的面积增加了4000平方米。
答:扩建后操场的面积增加了4000平方米。
一、找出不属于同一类的单词。
(
(
(
(
(
(
D
)1. A. banana B. pear C. grape D. paper(
C
)2. A. tall B. short C. old D. long(
A
)3. A. orange B. eraser C. pencil D. book(
B
)4. A. duck B. fat C. chicken D. giraffe(
D
)5. A. in B. under C. on D. cap答案
1.D 2.C 3.A 4.B 5.D
二、看图,从下面的方框中选择恰当的单词补全短文。
noodles bread eggs juice milk
Breakfast time! I'd like some
and
. They're healthy. My mother would like some
and fruit. My father would like some
. How about my brother? Oh, he'd like some
and cake. Cake is yummy, but don't eat too much.
noodles bread eggs juice milk
Breakfast time! I'd like some
答案
bread milk eggs noodles juice
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