Two-Step Problems: How to Keep the First Result in Your Head

Two-step arithmetic is mostly attention control.

Do the first operation and “label” the result mentally (say it silently once), then do the second.

Example: 37 + 18 − 9. First: 37 + 18 = 55. Hold “55”. Then 55 − 9 = 46.

If you lose track, slow down and reduce your speed target—accuracy first, then speed.

• Say the intermediate result once
• Avoid rushing the second step
• If error rate rises, drop a level for 60 seconds

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