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TSI MATHEMATICS CRC & DIAGNOSTIC TEST 20 EXAM PREPARATION AND REVISION SUMMARY 2026

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TSI MATHEMATICS CRC & DIAGNOSTIC TEST 20 EXAM PREPARATION AND REVISION SUMMARY 2026

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TSI MATHEMATICS CRC & DIAGNOSTIC TEST
20 EXAM PREPARATION AND REVISION
SUMMARY 2026

◉ diagnostic. Answer: /ˌdaɪ.əɡˈnɑː.stɪk/

adj. 诊断的

n. 诊断程序/诊断测试



Example: A diagnostic section may appear if initial scores are low.



• A diagnostic section:一个诊断部分 / 诊断环节

• may appear:可能会出现

• if initial scores are low:如果最初的分数较低



◉ quantitative reasoning. Answer: /ˈkwɑːntəˌteɪtɪv ˈriːzənɪŋ/
定量推理 / 数量推理



指用数字、数学关系、数据分析来进行逻辑判断和解决问题的能力



,例如:

• 比例 • 百分比 • 概率

• 数据图表 • 基础代数



Example: The test measures quantitative reasoning and verbal skills.



verbal skills = 语言能力



◉ fraction. Answer: /ˈfræk.ʃən/
n. 分数


Example: One half is a fraction.


◉ decimal. Answer: /ˈdes.ɪ.məl/
小数


Example: 0.25 is a decimal.


◉ ratio. Answer: /ˈreɪ.ʃi.oʊ/
n. 比率;比例

,Ratio 有三种常见写法:

2 : 3 two to three
2 to 3 two to three
2/3 two thirds


Example: The ratio of boys to girls is 3 to 2.


◉ proportion. Answer: /prəˈpɔːr.ʃən/
n. 比例关系 / 成比例


在数学中,表示两个 ratio(比)相等。


数学表达:


2:3=4:6



这就叫 proportion。



Example: Solve the proportion.

, ◉ estimation. Answer: /ˌes.təˈmeɪ.ʃən/

n. 估算 / 估计



Example: Make an estimation before solving the problem.


◉ number sense. Answer: 数感



指对数字、大小关系、运算规律的直觉理解能力。



Example: This exercise helps develop number sense.



◉ word problem. Answer: 应用题 / 文字题



A car travels 60 miles per hour.
How far will it travel in 3 hours?



解题:



60 × 3 = 180 miles

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