Operations & Algebraic Thinking
What is the value of the expression: 3 × (2 + 4)?
18
Round 6,382 to the nearest hundred.
6,400
Add: 1/2 + 1/4
3/4
Convert 3 feet to inches.
36 inches
Name a quadrilateral with two pairs of parallel sides.
Parallelogram (also: rectangle, square, rhombus)
Write an expression for: "5 times the sum of 3 and 7".
5 × (3 + 7)
Multiply: 327 × 5
1,635
Subtract: 5/6 - 1/3
1/2
A rectangle is 5 inches long and 4 inches wide. What is its area?
20 square inches
Identify: A shape with 6 equal sides and angles.
Regular hexagon
Is 15 × 2 the same as 2 × 15? Explain why.
Yes, because of the commutative property of multiplication.
Divide: 1,872 ÷ 6
312
Multiply: 3/4 × 2
1 1/2 or 3/2
Find the volume of a box with dimensions: 3 in × 4 in × 2 in
24 cubic inches
How many right angles are in a rectangle?
4
Find the missing number: 3 × ___ = 36 ÷ 2
6
Estimate the quotient to the nearest whole number: 4,589 ÷ 9
About 500 (actual is 510.999...)
Divide: 2 ÷ 1/2
4
How long did it take to finish homework from 4:15 to 5:40?
1 hour and 25 minutes
Classify a triangle with sides 3 in, 4 in, and 5 in.
Scalene triangle
Use parentheses to make this equation true: 8 + 2 × 5 = 18
8 + (2 × 5) = 18
Explain the steps to multiply 3-digit by 2-digit numbers using standard algorithm.
Multiply ones, then tens, align place values, and add partial products.
Solve: 2/3 × 3/5.
6/15 = 2/5.
You are building a box and know its length is 8 cm and width is 3 cm. You want the volume to be 96 cm³. What height should the box be?
4 cm
If you plot (2, 4) on a coordinate grid. What quadrant is it in?
Quadrant I