Each day Todd either runs for 30 minutes or skips rope for 20 minutes. In one week he spends 1 hour running. How long does he spend skipping rope that week?
Jennie fills each cell so that the product of two adjacent numbers in a row equals the number immediately above them. Find the largest number in the diagram.
Julie arranges number cards along the path shown so that every three consecutive cards sum to 100. Find the number on the card marked with a question mark.
At a store’s opening ceremony, it gives away 100 soda cans numbered 1 to 100. Anyone receiving a can whose number is divisible by 3 gets one additional free can. How many free cans are given in total?
Chess-club students are divided into five groups. The graph shows the numbers of boys and girls in each group. If the largest group has 72 students, how many students are in the smallest group?
Kelsey has a family photo measuring 12 cm × 16 cm. It fits inside a frame that is 2 cm wide all around, as shown. What is the area of the frame itself?
Isabelle has a custom pool float with four main colours: red, green, blue and yellow. She photographs it from four positions. Which option cannot be one of the four photographs?
Riley takes a mathematics course with 20 lessons. Between every two consecutive lessons are 3 days without lessons. If lesson 1 is on Sunday, on which weekday is lesson 20?
David combines two identical rectangles and four identical squares into the large rectangle shown. A small square has perimeter 24 cm. Find the area of the large rectangle.