未知数

未知数

3rd Grade

20 Qs

quiz-placeholder

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未知数

未知数

Assessment

Quiz

Mathematics

3rd Grade

Hard

CCSS
HSA.CED.A.3

Standards-aligned

Created by

LEE Moe

Used 20+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 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

2.

MULTIPLE CHOICE QUESTION

45 sec • 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

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

美美画了10朵花她把花朵平分成相同分量送给了家人,每人可以得到2朵,美美一共有多少位家庭成员?

10 ÷ P = 2

P ÷ 2 = 10

P ÷ 10 = 2

10 ÷ 2 = P

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

书橱里原本有几本书。取下 49本后,还剩下 84本书。

49 -P = 84

84 - 49 = P

84 - P = 49

P - 49 = 84

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

小智几个好朋友。他把10粒他们糖果给了他们,一共送了40粒。

P × 40 =10

10 × P =40

P × 10=40

40 × P =10

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

水果店里原有一些苹果,卖了96个苹果后,水果店里还有287个苹果。


以P为未知数,选出正确的算式。

P + 96 = 287

96 – P = 287

P – 96 = 287

287 + P = 96

Tags

CCSS.HSA.CED.A.3

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

一家水果店里有350箱橙子,共有7000个橙子。找出未知数。

橙子的箱子数量

一家水果店

橙子的数量

一个箱子里橙子的数量

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