The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presents the Math Concept, the Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids will able to acquire knowledge of dealing with the Math Modeling, the Math Problem Solving and the Problem Sum from Lower Primary School to Upper Primary School level after read the blog postings. This posting is an upper primary school math question on Chart and Average speed.

Read the posting on **Sarin’s family took a train** about Sarin’s family had their train ride from Singapore Tanjong Pagar Train Station.

Read the posting on** Sarin’s family in Kluang **about Sarin’s family venture in Kluang.

Read the posting on **Sarin learns Average Number, Percentage and Charting in school (Math Concept)** to understand the concept of line Chart.

Read also the posting on **Sarin learns rate of change in school (Math Concept)** to learn about concept of Speed.

*Challenge yourself with the question before look for the given solution‼!*

**Upper primary school mathematics question UPQ527**

Sarin’s family took a train to Kluang during the school holiday. The family travelled 290km on the train to reach Kluang.

The line chart shows how far Sarin family travelled to Kluang. What was the average speed of the train for the first 3 hours?

Solution:

Per the line chart,

The distance travelled by the train in first 3 hours = 210 km

The average speed of the train for the first 3 hours = 210 ÷ 3 = 70 km/h

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