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Addition and subtraction
Laura Porras Estudiante
- 1 lo usan
- 4373 visitas
Adding and subtracting positive and negative whole numbers. Starts with 1+1=2 and covers carrying, borrowing, and word problems.
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Video: Basic addition
Khanacademy Organización
- 1 lo usan
- 6138 visitas
Video (8-minute long) to help us understand basic addition. It shows multiple visual ways to represent addition.
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Game: Addition memory
Tiching explorer Organización
- 1 lo usan
- 5409 visitas
This game fosters both memory and mathematical skills. We have to match additions with their results.
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Addition of objects quiz
Tiching explorer Organización
- 1 lo usan
- 5036 visitas
This quiz consists of adding up the coloured objects and clicking on to the correct answer in the multi-choice questionnaire. We use geometrical shapes as visual aids, which eases comprehension.
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Addition and subtraction
Judit Llovet sillué Docente
- 2 lo usan
- 2674 visitas
Fourth grade is the time to really fine-tune your addition and subtraction skills to the point that you can add and subtract pretty much any multi-digit, whole number!
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Addition of doubles
Tiching explorer Organización
- 1 lo usan
- 4735 visitas
This is a printable worksheet (PDF file) designed to parctise the addition of doubles.
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Addition matching exercise
Tiching explorer Organización
- 1 lo usan
- 4558 visitas
In this printable worksheet (PDF file), which allows us to practise addition, we have to match the figures with their corresponding correct answers. The illustrations of objects are used as aids.
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Addition with brackets
Tiching explorer Organización
- 1 lo usan
- 4282 visitas
In this quiz we have to add first the numbers located inside the brackets and then adding the other element. We have to type the correct answer in the blank space provided .
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Addition in threes
Tiching explorer Organización
- 1 lo usan
- 4193 visitas
This is a printable worksheet (PDF file) designed to practise addition, summing up three elements.
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Addition 1 to 16
Tiching explorer Organización
- 1 lo usan
- 4076 visitas
This printable worksheet (PDF file) offers us the possibility to practise addition. Illustrations of objects are used as aids to make comprehension much easier.
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