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數學:快速估算

Authored by Li-Yi HSIEH

Mathematics, Fun

5th Grade - University

CCSS covered

Used 23+ times

數學:快速估算
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於60

11 + 22
22 + 31
12 + 51
33 + 22

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於100

33 + 60
51 + 52
63 + 21
77 + 12

Tags

CCSS.1.NBT.C.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於100

61 + 31
41 + 51
71 + 31
81 + 11

Tags

CCSS.1.NBT.C.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於100

37 + 59
49 + 48
67 + 26
19 + 85

Tags

CCSS.1.NBT.C.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大50

12 x 3
12 x 4
22 x 2
31 x 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於80

23 x 3
32 x 3
14 x 5
39 x 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪個答案大於100

31 x 3
24 x 4
61 x 2
43 x 2

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