Operations & Algebraic Thinking (OA)
100: Write a numerical expression for: "add 8 and 5, then multiply by 3".
(8 + 5) × 3
100: Q: What is 42,367 rounded to the nearest thousand?
42,000
100: Q: Add: 1/2 + 1/4
3/4
100: Q: How many cups are in a gallon?
16
100: Q: How many sides does a hexagon have?
6
200: Q: True or False: (7 + 3) × 2 = 7 + (3 × 2)
False
200: Q: Multiply: 312 × 6
A: 1,872
200: Q: Subtract: 5/6 − 1/3
1/2
200: Q: Convert: 3 feet = ___ inches
36 inches
200: Q: What is the name of a 3D object with 6 square faces?
cube
300: Q: Evaluate: (6 + 4) × (3 − 1)
10 × 2 = 20
300: Q: Divide: 7,200 ÷ 9
A: 800
300: Q: Multiply: 2/3 × 3/5
A: 6/15 or 2/5
300: Q: A rectangle has an area of 24 sq units and a width of 4. What’s the length?
6 units
300: Q: What are parallel lines?
Lines that never cross and are the same distance apart.
400: Q: Write a real-world scenario for the expression: 2 × (10 + 15)
A: Two people each buy a $10 item and a $15 item.
400: Q: Place the decimal: 4__567 is the same as 4 + 0.5 + 0.06 + 0.007
A: 4.567
400: Q: Divide: 3 ÷ 1/2
6
400: Q: A line plot shows data for fractions of inches. How do you find the average?
Add all values and divide by the number of data points.
400: Q: Draw a right triangle and label the right angle.
(Requires drawing – answer: a triangle with one 90° angle)
500: Q: Write an expression equivalent to: 3 × (4 + 6) − 5
A: 3 × 10 − 5 = 25
500: Q: Estimate the quotient: 4,592 ÷ 8
A: About 575 (actual is 574)
500: Q: Simplify: 6/18
1/3
500: Q: Convert: 5 lbs = ___ oz
80 oz
500: Q: Classify this shape: A quadrilateral with one pair of parallel sides.
Trapezoid