An area model is a rectangular grid that can help you solve multiplication ... 20 × 2 is missing from the area model. On the model, the number 27 has been partitioned into 20 and 7.

These puzzles range from simple operations involving addition, subtraction, multiplication ... Can You Find the Missing Number in This Square Grid in 20 Seconds? Picture Puzzle IQ Test: Only ...

The challenge is simple but tricky: can you spot the pattern and calculate the missing number? Here's what the grid looks like ... mathematical operations like multiplication or division happening ...