Stand B: Number Sense and Operations
Sarah buys 4 packs of cookies, each with 15 cookies, and then finds 7 more cookies on the kitchen table. How many cookies does she have now?
67
What is the next number: 5, 10, 20, 40, ___?
80
If you wanted to show how a pizza is sliced into different flavours, which kind of graph would you use?
A pie chart
Imagine a giant chocolate bar that’s 7.5 meters long. How many millimetres long is the snake?
7,500 mm
What is the term for the amount added to a price when purchasing items?
Tax
Alex had 325 stickers but gave 198 to her friends. How many stickers does Alex have left?
127
Solve for n: 4n − 3 = 21
n = 6
What is the probability of rolling a 3 on a standard 6-sided die?
1 out of 6 (1/6)
You have a rectangular garden that is 8 cm in length and 5 cm in width. What is the perimeter?
26 cm
Alex buys a jacket for $45. If the tax adds 13%, how much will Alex pay altogether?
$50.85
Ivy ate 3/5 of a chocolate bar, and her brother ate 4/10 of the same bar. How much chocolate did they eat together? Simplify your answer.
3/5 + 4/10 = 1 whole bar
(10/10)
What is the rule for the pattern, and what comes next after 162? 2, 6, 18, 54, 162, _?_
Multiply by 3 and, the next number is 486
The scores in the basketball game are 4, 8, 12, 16, 20. What’s the average score?
12
If you run 3.4 kilometres, how many meters have you travelled?
3,400 m
You earned $60 but spent $24 on snacks. How much money is left in your wallet?
$36
Jimmy has 4,367 candies and wants to share them equally with 9 friends. About how many candies will each friend get?
About 485 each
Solve for x: 3x + 5 = 2x + 12
x = 7
Out of 20 students, 8 say green is their favourite colour. What fraction and percent of the class is that?
8/20 (÷ 4 each) = 2/5
0.4 × 100 = 40%
A triangular pizza has a base of 6 cm and a height of 4 cm. What’s its area?
12 cm²
Sarah wants to buy a jacket that costs $100, but it is on sale for 20% off. What’s the new price?
$80
Julia bought a toy for $12.45, but returned part of it and got $7.38 back. How much did she end up paying?
$5.07
The pattern rule is multiply by 2, then add 1. What is the 6th number if the first is 1?
65
In a bag with 6 green, 4 red, and 10 blue marbles, what’s the probability of pulling out a blue marble?
Total marbles = 6 + 4 + 10 = 20
Probability (blue) = 10/20 = 1/2
A triangle has angles of 35° and 65°. What is the third angle?
80°
You want to buy a $120 video game that’s 15% off, and then you pay 13% tax. What’s the total cost?
$117.54