Algebra & Patterns
What is 25% of 240?
60
The volume of a cube is 64 cm³. Find the side length.
4cm
Find the mean of: 5, 10, 15, 20
12.5
Why are manipulatives important in math learning?
They connect abstract ideas to concrete understanding
What are the three types of assessment?
Diagnostic, formative, summative
A student incorrectly distributes: 3(a+4) = 3a +4
What concept needs reinforcement?
The distributive property
A triangle has base 10 cm and height 6 cm. Find its area.
30 cm²
What’s the probability of rolling an even number on a die?
1/2
According to constructivist theory, how do students learn math best?
By building knowledge through active problem solving and discussion.
What is “assessment for learning”?
Ongoing feedback used to inform instruction
A rectangular pattern starts as 2 rows of 3 tiles.
Each new figure adds one more row and one more tile per row. How many tiles are in Figure 5?
42 tiles
Convert 2.5 m² to cm².
25,000cm2
A class has 6 girls and 9 boys. What fraction are boys?
3/5
In Ontario’s math curriculum, what do the four achievement categories (K/U, T, C, A) represent?
Knowledge/Understanding (facts and concepts), Thinking (problem-solving and reasoning), Communication (expressing ideas clearly using math language), and Application (using knowledge in new or real-world contexts)
What is “assessment as learning”?
Student self-reflection and monitoring of their own progress
A store sells pencils at 3 for $1.20. How many pencils can you buy with $12?
30 Pencils
A triangle’s sides are 7 cm, 24 cm, and 25 cm. Is it right-angled?
Yes, it is a right-angled triangle.
Using Pythagoras Theorem: 72+242=49+576=625=252
What is the median of: 2, 5, 7, 9, 12, 13?
8
How can teachers differentiate math instruction for ELL students?
Use visuals, gestures, and multiple representations of ideas.
According to Growing Success, how are students evaluated in Ontario?
By comparing achievement to curriculum expectations and provincial standards
A population increases by 20% one year and decreases by 20% the next year. What is the overall percent change?
1.2×0.8=0.96
4% decrease overall
A triangle is reflected over the x-axis.
What happens to its coordinates?
The x-values remain the same, and the y-values change sign (become negatives).
A bag has 5 red, 3 blue, and 2 green marbles. What’s the probability of picking blue?
3/10
What’s one strategy to support math anxiety?
Create low-stakes practice and emphasize growth mindset.
Why is descriptive feedback more effective than grades alone?
It helps students understand how to improve, not just what they got wrong