Geometry
Name the 2-dimensional shape that has 4 equal sides and 4 right angles.
Square
Fill in the blank to make a true equation: 7 + ___ = 12
5
What digit is in the tens place in the number 4,276?
7
Which is larger: 1/2 or 1/3?
1/2 is larger
If a pencil is 15 centimeters long, write its length in centimeters (already given) and name one unit smaller and one unit larger than a centimeter.
Units smaller: millimeter (mm)
Draw or describe a line of symmetry for a rectangle. How many lines of symmetry does a non-square rectangle have?
A non-square rectangle has 2 lines of symmetry.
Find the missing number: 5 × ___ = 35.
7
Round 3,548 to the nearest hundred.
3,500
Write 3/4 as a decimal.
0.75
Convert: How many centimeters are in 1 meter?
100 centimeters in 1 meter.
What is the measure of a right angle in degrees? Give an example of a shape that has a right angle.
90 degrees;
Example: right triangle, square, or rectangle
A pattern starts 4, 7, 10, 13, ... What is the rule and what are the next two numbers?
Rule: add 3;
Next numbers: 16, 19
Compute: 4,209 + 3,786
7,995
Add: 2/3 + 1/3.
1 (or 3/3)
A line plot shows lengths: 2 in, 3 in, 3 in, 4 in, 2 in. What is the mode of the data?
Mode = 3 in
Two angles are adjacent and together form a right angle. If one angle measures 30 degrees, what is the measure of the other angle?
60 degrees
Solve the equation: 3n + 5 = 20.
n = 5
Without a calculator, subtract: 7,000 − 2,468
4,532
Subtract: 5/8 − 1/4. Show how you found a common denominator.
5/8 − 2/8 = 3/8 (since 1/4 = 2/8)
A rectangle measures 8 cm by 5 cm. What is its area?
Area = 8 × 5 = 40 square centimeters (cm²)
A triangle has angles measuring 35 degrees and 65 degrees. What is the measure of the third angle? Is this triangle acute, right, or obtuse?
80 degrees; Acute Triangle
The perimeter of a square is 36 cm. Write an expression for the side length and solve for the side length.
Side length = perimeter ÷ 4 = 36 ÷ 4 = 9 cm.
Multiply: 326 × 4. Show your steps or explain your thinking.
1,304 (since 326 × 4 = 1,304).
A recipe needs 3/4 cup of sugar. You want to make half the recipe. How much sugar do you need? Show your work.
3/8 cup (because (3/4) × 1/2 = 3/8).
A group of students measured their jump distances (in meters): 1.2, 1.5, 1.4, 1.5, 1.3. Find the mean (average) jump distance. Show your calculation.
Mean = (1.2 + 1.5 + 1.4 + 1.5 + 1.3) ÷ 5 = 6. - wait compute: sum = 6. - Actually 1.2+1.5=2.7; +1.4=4.1; +1.5=5.6; +1.3=6.9. 6.9 ÷ 5 = 1.38 m.