四年级 数学 未知数
Authored by 小毛豆 毛豆
Mathematics
9th - 12th Grade
CCSS covered
Used 34+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x + 3223 = 7827
x =
4600
4602
4604
4606
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3652 + x = 14632
x =
18284
10980
10900
18200
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4785 - a = 1304
a =
3481
3471
3381
3491
Tags
CCSS.4.NBT.B.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
m - 2581 = 6322
m =
3741
3174
8903
8930
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
10150 - y = 4527
y =
5213
5623
5423
5233
Tags
CCSS.7.EE.B.4A
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
小志在这个月从老师那得到 了16 颗星，上个月得到一些星，他共得到 30 颗星。
P + 16 = 30
16 + 30 = P
P + 30 = 16
16 + P = 30
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
意见栏里原本有几张便条。取下 30 张后，还剩下 54张便条。
P - 30 = 54
54 - 30 = P
P + 30 = 54
P + 54 = 30
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