Little detectives · 31/50 · Ages 8–10

The repeating scarf

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Owl knits a scarf with red, blue, red, blue. Find the smallest block that repeats. A pattern rule helps predict what should come next.

What you will discover

English vocabulary

pattern
quy luật
repeat
lặp lại

Let’s play

Red, blue, red, blue, red… What comes next under this rule?

See the explanation

The repeating block is red then blue. After red comes blue.

Practise touch typing

Place your hands on F and J and type this sentence using ten fingers.

Red and blue repeat in a pattern.

Two little quiz questions

1. What is the smallest repeating block?

  • Red, blue
  • Red, red
  • Blue, green
Answer and explanation

Red, blue. The two colors alternate.

2. What helps you check a pattern rule?

  • Compare several repetitions
  • Guess from one item only
  • Ignore the order
Answer and explanation

Compare several repetitions. Several repetitions give more evidence for the rule.