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Count the fingers
Solve sums by counting the fingers of two hands.
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Divisibility by 2 and 5
Students color the numbers that are divisible by 2 and the numbers that are divisible by 5 in the requested color. If they color the correct boxes, they will see a 3 and a 9.
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Typing lessons online
Typing lessons online is a free typing course for young and old. You learn to touch type with 10 fingers. Various keyboard layouts and color schemes are available.
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Interactive exerciseNewTeacher, Other -
Dot sums up to 100
Addition and subtraction up to 100:
- TE + ... (E) = T;
- TE - ... (E) = T.
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Number knowledge up to 100,000
With this online exercise you practice your knowledge of numbers up to 100,000. You give the value of a digit in a number, you add units, tens or hundreds to a specified number and you indicate the largest number.
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Add, subtract, multiply and divide up to 10,000
You practice adding, subtracting, multiplying and dividing up to 10,000.
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Addition and subtraction up to 20
With these worksheets, students practice adding and subtracting up to 20 without bridge.
There are worksheets where addition and subtraction are practiced separately. On the last worksheet, students practice adding and subtracting up to 20 together.
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Design dinosaur games with Zimjs
In this presentation you will learn more about how to design a dinosaur game with ZimJs code, such as the well-known Chrome Dino game. You will also find a video tutorial on how to design such a game in Octostudio.
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Corners in a quadrilateral
Sum of the four angles in a quadrilateral is 360 degrees. Calculate the size of an angle, based on three given angles.
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Sine function
Elements of the sine function: amplitude, equilibrium line and period. You receive a job description and get the requested information from it.
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Working out squares with remarkable products
Calculate the following squares using the rule of remarkable products.
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Proportions
An exercise on solving proportions: a/b = c/d means ad = bc.
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