Add and subtract expressions with letters
Grade 7 Math Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
Not to scale. Bo opens an envelope that holds one tiny puzzle. In (3x + 1) + (2x + 6), the x pieces join to make 5x. What is the whole sum with as few terms as possible?
Kira copies a puzzle onto paper, then doodles a cat in the corner. How would Kira write (4x + 1) + (3x + 8) with as few terms as possible?
Luz spots a puzzle at the back of a book. How would Luz write (6x + 5) + (x + 2) with as few terms as possible?
Milo has one minute on the clock, and it ticks loudly. How would Milo write (7x + 9) − (3x + 4) with as few terms as possible?
Noah digs a puzzle card out of a backpack. How would Noah write (9x + 8) − (4x + 5) with as few terms as possible?
Pia writes the puzzle in blue pen, very boldly. How would Pia write (8x + 6) − (x + 2) with as few terms as possible?
Bo's bags each hold x pears. Crate A has 4 bags and 3 loose pears, crate B has 3 bags and 2 loose. How many pears in all, with as few terms as possible?
Esme's bags each hold x oranges. Crate A has 5 bags and 2 loose oranges, crate B has 2 bags and 4 loose. How many oranges in all, with as few terms as possible?
A yarn is 8x + 7 cm long. Kira cuts off 5x + 2 cm for a bracelet. How long is the yarn left, with as few terms as possible?
A yarn is 9x + 5 cm long. Luz cuts off 4x + 3 cm for a bracelet. How long is the yarn left, with as few terms as possible?