Here is a link to the playlist of video explanations to all of the math questions in the 2019 December ACT (Form C03) Test.

## Arithmetic progression: ACT Math Practice Question

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Try this ACT math practice question on how to find the terms of an arithmetic progression.

In an arithmetic progression the difference between consecutive terms is a constant. For example, the sequence $3, 7, 11, 15, \ldots$ is an arithmetic progression where the consecutive terms are $4$ apart. If the first term of an arithmetic progression is $4$ and the last term is $54$, and the sum is $609$, then what is the third term?

- $\quad 8$
- $\quad 8.5$
- $\quad 9$
- $\quad 9.5$
- $\quad 10$

## ACT to allow section retesting and “superscore”

ACT to allow students to retake individual sections of the test beginning September 2020. Also an ACT composite score with the highest section scores will be provided, also known as an ACT “superscore”. More details from official ACT blog on superscoring.

## Why students should practice with official ACT tests?

Here is a single image that summarizes why I recommend everyone to prepare for the ACT by practicing with official ACT tests.

## 2019 June ACT Form B02: Video Explanations

Here is a link to the playlist of video explanations to all of the math questions in the 2019 June ACT (Form B02) Test.

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