从现状上看，小学儿童的估算能力存在非常明显的题目类型差异。

There were significant differences of problem types in primary school children's computational estimation competence.

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运用镶嵌图形测验(GEFT)和自编估算测试材料，考察了大学生的认知方式与其估算能力的关系。

Using GEFT and self-designed materials, this paper investigated the relationship between cognitive style and the ability of computational estimation using the students from a vocational college.

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通过优化教学策略，联系生活实际等方法，培养学生养成估算的习惯，强化他们的估算意识和估算能力。

Pass excellent turn a teaching strategy, contact life actual etc. method, development the student develop a habit of estimate and enhance their to estimate consciousness and estimate ability.

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