P – AS – OE17

How does knowing what 6 + 6 equals help with solving 11 – 6?

P – AS – OE2

The sum of one 2-digit number and one 1-digit number is a 2-digit number. What could the numbers be?

P – AS – OE3

The sum of two 3-digit numbers is a 3-digit number. What could the two 3-digit numbers be?

P – AS – OE4

The sum of one 3-digit number and one 2-digit number is a 3-digit number. What could the numbers be?

P – AS – OE5

The difference between two large numbers is a 3-digit number. What could the two large numbers be?

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