Operations
Malik has 5 boxes. Each box contains 6 pencils.
How many pencils does Malik have in total?
Show your work using a drawing, repeated addition, or multiplication.
30 pencils
How many feet are in a yard?
3 feet
How many parallel sides does a parallelogram have?
2 sets of parallel sides
Round 4,682 to the nearest hundred.
Explain how you knew which digit to look at and why you rounded the way you did.
4, 700
What is the volume of a building with a base of 250 feet and a height of 31 feet?
250 x 31 = 7, 750 feet
Write an expression using parentheses to match this situation:
“Add 4 and 5, then multiply the result by 3.”
Solve the expression and explain what each part means in the situation.
(4+5) x 3 = 27
A fish tank holds 3.25 liters of water.
If you fill 2 tanks, how much water will you need in total?
Show your work and explain how you added or multiplied the decimals.
3.25 x 2= 6.50 L
Draw a shape that has two pairs of parallel sides and four right angles.
What is the name of this shape?
Explain how you know it matches the description.
Rectangle or square
Estimate the product of 892 × 6 by rounding 892 to the nearest hundred.
Then solve the exact product and compare it to your estimate.
Explain how rounding helps you check your work.
900 x 6 =5,400
A garden is 12 feet long and 8 feet wide.
What is the area of the garden?
Show your work and explain how you used the formula for area.
96 feet
A school is ordering new desks. Each classroom gets 6 rows of 5 desks.
If there are 8 classrooms, how many desks are needed in total?
Write an expression to represent the problem, solve it, and explain your reasoning.
(6 x 5) x 8= 240 desks
Lila measured a board that is 2.5 meters long.
She needs to know how many centimeters long it is.
Convert the length and explain each step of your process.
250 centimeters
Draw a trapezoid and label the sides.
How many pairs of parallel sides does it have?
1 set of parallel sides
Divide 3,672 ÷ 8.
Show all the steps of your division and explain what each part of the answer means.
Use a drawing or model if it helps you explain your thinking.
459
A bakery made 5,624 cupcakes over the weekend.
If they sell 1,356 cupcakes on Saturday, how many cupcakes do they have left?
Show your work and explain your method for subtraction.
4, 268 cupcakes
Lucy ate 2/6 of a pizza and her sister ate 1/6.
How much of the pizza did they eat altogether?
Show your work using a drawing, number line, or number sentence.
2/6 + 1/6= 3/6 or 1/2
A rectangular tank is 5 feet long, 3 feet wide, and 2 feet tall.
It is half full of water.
What is the volume of the water in the tank?
Explain how you solved the problem step by step.
5 x 3 x 1= 15 volume of water in the tank
What is the difference between a rectangle and a rhombus?
Draw and label both shapes.
Compare their sides and angles.
A rectangle has:
4 right angles
Opposite sides equal
Parallel sides
A rhombus has:
4 equal sides
Opposite angles equal, but not necessarily right angles
Parallel sides
A company made 13,458 toys in 9 days.
If they made the same number each day, how many toys did they make per day?
Show your long division work and explain how you know your answer is reasonable.
1,495.33 toys per day
You have a chocolate bar. You eat 3/8 of it and give 1/4 to your friend.
How much of the chocolate bar is left?
Show your work by converting the fractions to have a common denominator and subtracting.
3/8 chocolate bar left
A factory produces 4,386 toys each day.
How many toys are made in 7 days?
Write an expression, solve it, and explain your strategy.
4,386 x 7 = 30,702 toys
A jug holds 3.25 liters of lemonade.
You want to pour the lemonade into cups that each hold 250 milliliters.
How many full cups can you pour?
Show your work using conversions and division.
13 cups
A quadrilateral has 4 equal sides but no right angles.
What is the name of this shape?
Draw the shape and explain how you know it is not a square.
A rhombus;
A square has 4 right angles, but a rhombus can have slanted sides and still have all sides equal.
A printing company prints 16,248 flyers in 6 days. Each day, they print the same number of flyers.
Part A: How many flyers are printed each day?
Part B: If the company wants to print double that amount next week over 4 days, how many flyers will they print each day next week?
Show all your work using long division and multiplication.
Explain how you solved both parts and how you know your answers are reasonable.
Part A: 2,708 flyers per day.
Part B: 16, 248 x 2 / 4= 8, 124 flyers per day
A rectangular garden has a length of 15 meters and a width of 9 meters.
You want to put a fence around the garden.
What is the perimeter of the garden?
Use the perimeter formula and show your work.
48 meters