Writing expressions
Types of exercises: sentence into an expression, sum of consecutive numbers, perimeter as an expression, how much greater an expression is, operations described in words, a two-digit number with letters.
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Write as an expression
A two-digit number has tens digit x and units digit y. The units digit is not zero. Write the sum of this number and the number with its digits swapped.
Choose the expression that matches the text
3 times a number 10 greater than x.
Write as an expression
A rectangle has one side of length x and the other longer by 2. Write its perimeter.
Write as an expression
The sum of 5 consecutive natural numbers, the smallest of which is x.
Choose the expression that matches the description
The square of the sum of a and b.
Write as an expression
The number x is positive. How much greater is the expression 5x + 11 than 2x + 3?
Write as an expression
A two-digit number has tens digit x and units digit y. Write the number 16 greater than this number.
Choose the expression that matches the text
A number 14 greater than 5 times x.
Write as an expression
A rectangle has one side of length x and the other 5 times longer. Write its perimeter.
Write as an expression
The sum of 5 consecutive natural numbers, the smallest of which is x.
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