Operations & Algebraic Thinking
Write a multiplication equation that shows 6 groups of 7.
6 x 7 = 42
Write 4,305 in expanded form.
4,000 + 300 + 5
Find the perimeter of a rectangle that is 9 m long and 4 m wide.
P = 2(LxW) OR P = L+L+W+W
The perimeter of the rectangle is 26 meters.
Which is larger: 1/2 or 3/8?
3/8
Draw or name a right angle, an acute angle, and an obtuse angle. Which is the largest?
obtuse
If 4 × n = 28, what is n? Show how you know.
n = 7
Round 7,648 to the nearest hundred.
7,600
How many centimeters are in 2 meters?
[1 meter = 100 cm]
100 x 2 = 200cm
Write an equivalent fraction to 2/3 with denominator 9. Show how you found it.
6/9
Identify whether a rectangle has lines of symmetry. How many?
2
Find all factor pairs of 36.
1 & 36, 2 & 18, 3 & 12, 4 & 9, 6 & 6
Multiply: 236 × 4
944
A recipe needs 3 1/2 cups of flour. You have a 1/2 cup measure. How many half-cup scoops do you need?
6
Add: 1 1/4 + 2 2/4. Give the answer as a mixed number simplified if needed.
A triangle has one angle that measures 90 degrees. Two of its sides are equal in length. What are the two names for this triangle based on its angles and its sides?
A Right Isosceles triangle.
It is a Right triangle because of the 90 degree angle, and it is Isosceles because it has at least two equal sides.
A box holds 9 rows of 8 pencils. How many pencils total? Show your multiplication AND array.
9 x 8 = 72
Divide: 2,745 ÷ 9
305
Create a line plot for these lengths in inches: 1/2, 1/4, 3/4, 1/2, 1/4. Then find the difference between the longest and shortest length.
Answer: 2/4 = 1/2
Subtract: 5/6 − 1/3. Show steps and simplify.
1/2
An angle is composed of two smaller angles. One smaller angle measures 45 degrees and the other measures 60 degrees. What is the total measure of the larger angle, and is it acute, right, or obtuse?
The total measure is 105 degrees and it is an Obtuse angle.
Solve the multistep problem: Jamie bought 3 packs of stickers. Each pack has 12 stickers. She gave 7 stickers to her friend and then split the rest equally into 5 envelopes. How many stickers are in each envelope? (Show work and explain remainder interpretation.)
There are 5 stickers in each envelope.
Multiply two-digit numbers: 47 × 36.
1,692
A triangular garden has angles that measure 35° and 65°. What is the measure of the third angle?
The measure of the third angle is 80 degrees.
Decompose 7/8 into a sum of fractions with denominator 8 in two different ways (show two different decompositions).
3/8 + 2/8 + 2/8 =
1/8 + 6/8 =
I am a closed shape with 4 sides. All 4 of my sides are equal in length, but I have no right angles. What shape am I?
A rhombus has 4 equal sides but usually has two acute and two obtuse angles.