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First two numbers
★★★Work out the first two numbers, then use that answer with the last number.
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Example
Work out the first two numbers. What do you get?
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Answer: 9
Three numbers · Numbers & Operations
Add and subtract three numbers from left to right, two at a time.
Work out the first two numbers, then use that answer with the last number.
This is step 1 of unit 32, “Three numbers”, in Stage 2: Numbers to 100, carrying and borrowing (ages 7–8). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.