Equations
Santa has x gifts. He receives 7 more gifts from the elves, making his total 15 gifts. Solve for x
What is 8?
Emma and Benjamin are decorating a rectangular Christmas display in their front yard. The display's length l is exactly twice its width w. If the total perimeter of their Christmas display is 36 units, can you help Zoe figure out what the width w should be?
What is 6?
If Buddy the Elf wants to time how many presents he can wrap, which of the following measurements should he use?
miles minutes liters inches
What are hours?
Solve for x: ∣x∣=9
What is 9 and -9?
Rewrite the literal equation for y. 2x + y = 7
What is y=-2x + 7?
Solve for x: x/5=9
What is 45?
Jackson and Evelyn are on a Christmas road trip to visit family! Their car zooms along at a constant speed of 60 miles per hour. If they drive for 2.5 hours to reach their holiday destination, how many miles will they cover on their festive adventure?
What is 150 miles?
Which of the following measurements is most precise?
3.2 cm 3.20 cm 3.200 cm 3 cm
What is 3.200 cm?
Solve for x: ∣x−4∣=7
What is 11 or -3?
Rewrite the literal equation for x. a = bx + cx + d
What is x = (a - d)/(b + c)
Solve for x: 2x+3=11
What is 4?
Charlotte and Michael are baking Christmas cookies together! Their holiday recipe calls for 2.5 cups of flour. If they decide to make only half the batch so they can share with Priya later, how much flour do they need?
What is 1.25 cups?
Anika is measuring the length of her Christmas tree and records it as 4.56 m. Later, Maya checks and finds the true length is actually 4.60 m. What is the absolute error in Anika's measurement? What is the absolute error in Anika's measurement?
What is 0.04 m?
Solve for x: ∣2x∣=10
What is 5 or -5?
Rewrite the formula A=lw to solve for w.
What is w=A/l?
Solve for x: 2(x−3)=10
What is 8?
Emma bought 25 notebooks for a club, and after using 20 of them, she has 18 left. How many notebooks did Emma originally have?
What is 13?
Emma is measuring the length of a candy cane she wants to hang on her Christmas tree and records it as 5.678 cm. If she wants to round the measurement to the nearest tenth, what value should she write down?
What is 5.7 cm?
∣4n − 15 ∣ = ∣n ∣
What is 3 or 5?
Rewrite the formula C=2πr to solve for r.
What is r=C/2π
4x+7=3x+12
What is 5?
David has 4 times as many apples as x, but he gives away 3 apples. Mason has 2 times as many apples as x, and he receives 5 more apples. If both David and Mason end up with the same number of apples, solve for x.
What is 4?
Liam and Avery are planning to decorate a rectangular garden for Christmas that is 12.3 meters long and 8.7 meters wide. Can you help them figure out the area of the garden, rounded to the nearest whole number, so they know how much space they have for Christmas decorations?
What is 107 m2?
∣2c + 8 ∣ = ∣10c|
What is -2/3 or 1?
Rewrite the formula P=2l+2w to solve for l.
What is l=(P-2w)/2?