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Activity: Multiplying 2-digits by 1-digit Complete this interactive activity to better understand how to multiply a 2-digit number by a 1-digit number. Then put your knowledge to the test.
Result: 38x7=266. Example for Two 2-Digit Numbers: 49x23. Round One Number: Round 49 up to 50. (49 is 50−1) Multiply the Rounded Number: 50times23. Think: 5x23=115. Add a zero: 1150 ...
In this KS2 Maths article you’ll learn how to use short multiplication to multiply a 3-digit number by a 1-digit number. We also have a KS2 Maths quiz and lots of examples.