Numerical Expressions
Sam buys 8 comic books for $3 each. He also buys 5 posters, each costing twice as much as a comic book. How much does he spend? (Write the expression.)
(8 × 3) + (5 × 6)
10 + (5 × 3) − 4
21
Mia has 3 shelves with 6 books on each and adds 4 extra books. How many books does she have?
22 books
A rectangle has a length of 12 cm and a width of 5 cm. What is its perimeter?
2x (12 + 5) = 34 cm
Solve: 3.5 + 2.8
6.3
Lily has 200 beads. She gives away 50 and splits the rest into groups of 10. Write an expression to show how many groups she makes.
(200 − 50) ÷ 10)
(30 ÷ 5) × 4 + 2
26
Jake rides his bike 4 miles each day for 5 days. Then he takes a break for 2 days before riding another 6 miles. How many miles did he ride in total?
26 miles
A square has a side length of 9 cm. What is its area?
9 × 9 = 81 cm²
Solve: 7.2 × 3
21.6
A bakery sells cupcakes in boxes of 4. If Mark orders 6 boxes and an extra 2 cupcakes, write an expression to show how many cupcakes he has.
(6 × 4) + 2)
50 − (8 + 2) × 3
20
A school is making gift bags with 9 pencils in each. If they fill 7 bags and then add 5 extra pencils, how many total pencils are there?
68 pencils
A rectangular rug measures 2.5 meters by 4.2 meters. What is its perimeter?
2 x (2.5 + 4.2) = 13.4 meters
A farmer has 12.6 kg of apples and gives away 4.8 kg. How much does he have left?
12.6 − 4.8 = 7.8 kg
Jordan buys 15 action figures for $4 each. He also buys 3 display cases, each costing 3 times as much as one action figure. Write an expression for his total cost.
(15 × 4) + (3 × 12)
(24 ÷ 4) × (5 + 3) − 6
42
A teacher has 5 rows of desks with 8 desks in each row. She then moves 6 desks to another classroom. How many desks are in the classroom?
34 desks
A garden has a length of 15.6 meters and a width of 7.4 meters. What is its area?
15.6 × 7.4 = 115.44 m²
14.25 ÷ 3
4.75
Emily has 300 stickers. She gives 75 to a friend and splits the rest evenly into albums, each holding 15 stickers. Write an expression for how many albums she fills.
(300 − 75) ÷ 15
90 ÷ (3 × 5) + 18
A stadium has 12 sections with 250 seats each. If 900 seats are reserved, how many are available?
2,100 seats available
A rectangular swimming pool has a length of 18.5 meters and a width of 9.2 meters. What is its perimeter?
2 x (18.5 + 9.2) = 55.4 meters
A bakery uses 2.75 kg of flour per batch of bread. If they make 6 batches, how much flour do they use in total?
2.75 × 6 = 16.5 kg