Category 1
The longest stick insect ever found was more than 62 centimeters long. Is that insect shorter or longer than 1 meter? Explain your reasoning.
The world’s longest snake can grow up to 9 meters long. What is that length in centimeters?
900 cm
A square has a perimeter of 60cm. What would the side lengths of the square be?
15cm because 60/4=15
Ms. Dietrich is 5 feet 6 inches. Her friend is 2 times as tall as her. How tall is her friend in inches.
132 inches tall
An artist is 5 feet 8 inches tall. Her height is 4 times the height of a stone tower she built. How tall is her tower in inches? Explain or show your reasoning.
17 inches
A rectangle has a side length of 3 2/9cm and a width of 4 7/9cm. What is the perimeter of the rectangle?
16cm
The perimeter of a rectangle is 52 inches. Select all true statements.
If one side measures 50 inches, the other side measures 2 inches.
If one side measures 14 ⅛ , then the other side would measure 12 ⅞ inches.
The rectangle cannot have a side that measures 20 inches.
If one side measures 10 inches, the other side measures 16 inches.
If the rectangle is a square, each side length would be 12 inches
5. If the rectangle is a square, each side length would be 12 inches.
A giraffe eats about 1 ½ kilograms of food every day. The zebra eats about 4,500 grams of food each week.
Explain why ½ a kilogram is 500 grams.
Which animal eats more food each week. Explain or show your reasoning.
How much more food? Explain or show your reasoning.
1. 1/2 a kilogram is 500 grams because 1kg=1,000g and half of 1,000 is 500.
2. Giraffe because 1 1/2kg=1,500g x 7 days per week = 10,500. Zebra was 4,500g per week.
3. 6,000 more food because 10,500-4,500=6,000
There are 75 apples in a basket. This is 5 times the number of oranges in the basket.
How many oranges are there?
15 oranges
A chef bought 3 kilograms of flour on Monday and 4,000 grams on Friday. On which day did they buy more flour? Explain or show your reasoning.
Friday
Monday 3kg=3,000grams
Friday 4,000grams
Below shows the pounds of food that 3 species of birds consume in a week.
Golden Eagle: 7 pounds = _____ oz
Pelican: 20 pounds = ________oz
Cardinal = 3 1/2 pounds = _______oz
112oz
480oz
56oz
A river is 3,000 meters wide. Sara says it is 30 centimeters wide.
Explain why Sara's answer is unreasonable.
1m=100cm. 30cm isn't 1 meter yet so the 3,000 meter wide river cannot be 30cm.
1- Kiran lives 7 kilometers from school. How many meters from school does he live? Explain or show your reasoning.
2 - Clare lives 800 meters from school. Does she live closer or farther away from school than Kiran? Explain your reasoning.
1 - 7,000 meters
2 - Closer. Kiran lives 7,000 meters away and she only lives 800 meters.
Halfway through a soccer game, Han drank 210 mL of water. At the end of the game, he drank 4 times as much as he did at halftime.
Did Han drink more or less than 1 L of water in total? Explain or show your reasoning.
More than 1 Liter
First half - 210mL
Second half - 210 x 4= 810
810+210=1,050mL
1L = 1,000mL
A park has a perimeter of 40 yards.
A playground has a perimeter of 40 feet.
How many times larger is the park's perimeter compared to the playground?
The park is 6 times larger than the playground.