Number Sense
What is 4,382 + 2,759?
7,141
Which is greater: 3/4 or 5/8?
3/4
Write 3/5 as a decimal.
0.6
A rectangle is 8 cm long and 5 cm wide. What is its area?
40 cm²
x + 7 = 19
x = 12
What is 8,004 − 3,687?
4,317
What is 2/3 + 1/6?
5/6
What is 4.75 + 2.8?
7.55
A rectangle is 8 cm long and 5 cm wide. What is its perimeter?
26 cm
Miguel has $20. He spends $4.75 on a notebook and $8.50 on a calculator. How much money does he have left?
$6.75
What is 46 × 27?
1,242
What is 5/6 − 1/3?
1/2
What is 6.2 × 0.4?
2.48
A rectangular prism measures 4 units × 3 units × 2 units. What is its volume?
24 cubic units
A class has 24 students. 3/8 of the students walk to school. How many students walk?
9 students
46 x 2.7?
124.2
What is 3/4 × 2/5?
3/10
A bag contains 3 red marbles for every 5 blue marbles. What is the ratio of red marbles to blue marbles?
3:5
A triangle has angles of 50° and 60°. What is the measure of the third angle?
Answer: 70°
A student says: "0.4 is bigger than 0.35 because 4 is bigger than 3." Is the student correct? Explain.
The conclusion is correct, but the reasoning needs to use place value. 0.4 = 0.40, and 0.40 > 0.35.
Put these numbers from least to greatest:
0.45, 0.405, 0.54, 0.504
0.405, 0.45, 0.504, 0.54
A pizza is cut into 8 equal slices. Marcus eats 3 slices and Elena eats 2 slices. What fraction of the pizza is left?
3/8
A recipe uses 2 cups of flour for every 3 cups of milk. If you use 12 cups of milk, how many cups of flour do you need?
8 cups
A rectangle has an area of 54 square units. Its length is 9 units. What is its width?
Answer: 6 units
You have 48 ÷ 6. Give two different ways to solve it and explain why both methods work.
8. Accept multiple valid strategies.