
Lớp 3: Ôn tập Toán - Tuần 2 (NH: 2025 - 2026)

Quiz
•
Others
•
1st - 5th Grade
•
Easy
Nguyễn Thảo
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
? + 18 = 37
55
19
29
Answer explanation
Muốn tìm số hạng chưa biết, ta lấy tổng trừ đi số hạng kia.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
36 + ?= 71
45
100
35
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
? - 27 = 38
55
11
65
Answer explanation
Muốn tìm số bị trừ, ta lấy hiệu cộng với số trừ.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
? - 29 = 16
45
55
69
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
61 - ? = 27
44
34
88
Answer explanation
Muốn tìm số trừ, ta lấy số bị trừ trừ đi hiệu.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
64 - ? = 29
55
35
92
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2 X ? = 18
36
9
10
Answer explanation
Muốn tìm thừa số chưa biết, ta lấy tích chia cho thừa số kia.
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