Vocabulary
One-Step Euler
Multiple Steps
Interpret the Slope
Fun
100

What is Euler’s Method?

This formula approximates solutions to differential equations using tangent line slopes.

100

dy/dx = x + y, y(0) = 1, h = 0.1, Find y(0.1).

What is 1.1?

100

dy/dx = x + 2y, y(0) = 1, h = 0.5, Find y(1).

What is 3.125?

100

If dy/dx > 0 at a point, the function is doing this.

What is increasing?

100

How do you pronounce Euler?

OY-ler
200

What is dy/dx? 

In Euler’s Method, this value represents the slope at a point.

200

dy/dx = 2x - y, y(1) = 3, h = 0.5, Find y(1.5).

What is 2.5?

200

dy/dx = 4 − y, y(0) = 0, h = 0.5, Find y(1).

What is 3?

200

If dy/dx < 0 at a point, the function is doing this.

What is decreasing?

200

What century was Euler's Method created?

What is the 18th Century?

300

What is h?

This symbol usually represents the step size in Euler’s Method.

300

dy/dx = x - y, y(0) = 2, h = 1, Find y(2).

What is 1?

300

dy/dx = x^2 − y, y(0) = 2, h = 1, Find y(2).

What is 1?

300

If dy/dx = 0 at a point, the tangent line is this.

What is horizontal?

300

Who invented Euler's Method?

Who is Leonhard Euler?

400

What is a tangent line?

Euler’s Method uses this type of line to approximate curves.

400

dy/dx = 3x - 2y, y(1) = 2, h = 0.2, Find y(1.2).

What is 1.8?

400

dy/dx = 3x + y, y(1) = 2, h = 0.5, Find y(2).

What is 9.125?

400

In Euler’s Method, a larger step size (h) usually makes the approximation this.

What is less accurate?

400

What is Euler's Constant?

What is e?

500

What is the step size?

Euler’s Method becomes more accurate when this gets smaller.

500

dy/dx = y - x^2, y(0) = 1, h = 0.5, Find y(1).

What is 2.125?

500

dy/dx = y + x, y(0) = 1, h = 0.25, Find y(1).

What is 3.22?

500

Euler’s Method error builds up because each step depends on this previous value.

What is the previous approximation?

500

Where was Euler born?

What is Switzerland?

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