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Myriora Non-verbal Reasoning › 11+ non-verbal reasoning › Chapter 1: Find the rule

Grids

11+Chapter 1 · Lesson 5

In this lesson

Your turn

Which picture completes the grid?

Show the answer

Each row has its own shading, and this row is grey. Each column has its own shape, and this column has triangles. The answer is picture A!

The common mistake

Here's a common mistake. In a big grid, checking only the rows. The rows tell you one thing, and the columns tell you another. You need both.

Try it at home

Draw a two by two grid with a pattern, and leave one square empty. Ask someone to fill it in and say the rule.

Read the whole lesson

Hello, and welcome to Myriora Non-verbal Reasoning! In a grid question, the pictures follow a pattern, and one square is empty. Let's start with a small grid.

Here's a two by two grid. Look across the top row. White becomes black. The bottom row must change in the same way. So the white triangle becomes a black triangle.

You can also check going down. In each column, a square becomes a triangle. Both directions agree, so you can be sure.

Now here's a three by three grid. Look along each row: every picture in a row has the same shape. Look down each column: every picture in a column has the same number of dots. The empty square is in the bottom row, so it's a hexagon. It's in the last column, so it has three dots.

Let's try one together. Which picture completes the grid? Here's a tip: look across the top row. Say it out loud!

The answer is picture B! Going across, the shape gets bigger, so the small square becomes a big square.

Here's a common mistake. In a big grid, checking only the rows. The rows tell you one thing, and the columns tell you another. You need both.

Your turn! Which picture completes the grid? Pick the right card. You've got ten seconds, or pause the video. Go!

Time's up! Each row has its own shading, and this row is grey. Each column has its own shape, and this column has triangles. The answer is picture A!

Quick review. In a small grid, say the change going across. Do the same to the bottom row. In a big grid, check the rows and the columns. Then find the picture that fits both. See you next time!