数学单元一整数与运算

Quiz
•
Mathematics
•
12th Grade
•
Medium
+4
Standards-aligned
TIAN Moe
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个数目是质数?
21
51
71
91
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 794 721 的万位近似值是多少?
4 800 000
4 795 000
4 790 000
4 794 000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
饼干工厂在第一年共制造了 1 500 500 个饼干,第二年的生产量比第一年多了0.45 百万。把工厂两年内的总生产量写成万位近似值。
3 450 000
3 470 000
3 460 000
3 480 000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把 7 420 000 写成百万单位的小数。
0.742 百万
7.420 百万
7.240 百万
0.724 百万
Tags
CCSS.5.NBT.A.1
CCSS.5.NBT.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
蓝天水族馆共有 847 233 条鱼。海洋水族馆的鱼比蓝天水族馆多了 0.179 百万。下列哪个算式可以正确算出两间水族馆的鱼的总数量?
847 233 + 179 000 × 2
847 233 + 179 000
179 000 + 847 233 × 2
(847 233 + 179 000) × 2
Tags
CCSS.4.OA.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
美美有机农场在七月份里共收割了 1.457 百万粒玉米。假设农场每天收割的玉米数量相同,农场在 12 天里收割了多少粒玉米?以整数写出答案。
564 000
583 800
565 000
582 800
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪组得到的答案不是质数?
52 – 9
21 + 13
28 - 26
6 + 7
Tags
CCSS.4.OA.B.4
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