Myths about teaching can hold you back
- Year 7
Limitations of technology in calculations
I can enter fractions as divisions on a calculator (and other technology) and understand the limitations of the decimal representation that results.
- Year 7
Limitations of technology in calculations
I can enter fractions as divisions on a calculator (and other technology) and understand the limitations of the decimal representation that results.
Lesson details
Key learning points
- The line in a fraction means divide.
- A calculator can be used to convert a fraction to a decimal using division.
- There might be limitations of the decimal representation of fractions.
Keywords
Recurring decimals - A recurring decimal is one that has an infinite number of digits after the decimal point
Common misconception
Incorrect inputting of negative numbers and/or exponents.
Encourage the use of brackets when using exponents.
To help you plan your year 7 maths lesson on: Limitations of technology in calculations, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 7 maths lesson on: Limitations of technology in calculations, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 3 maths lessons from the Comparing and ordering fractions and decimals (positive and negative) unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Prior knowledge starter quiz
6 Questions
Q1.Using a calculator, calculate the simplified fraction of $$196 \over 190$$.
Q2.Using a calculator, work out the answer to $${16 \over 15} \times {30 \over 32}$$.
Q3.Izzy's calculator gives an answer as a fraction. What is the name of the key that should be pressed last on the Casio fx-991CW in order to convert this fraction to a decimal?
Q4.Using a calculator, match the decimal to the equivalent fraction.
0.35 -
$$7 \over 20$$
0.894 -
$$447 \over 500$$
2.134 -
$$1067 \over 500$$
2.413 -
$$2413 \over 1000$$
Q5.The format key on the Casio fx-991CW allows you to change between decimals, improper fractions and mixed numbers.
Q6.Using your calculator, find the answer to $${21 \over 12} \times {2 \over 3}$$
Assessment exit quiz
6 Questions
Q1.Jacob uses his calculator to evaluate $$-3^2$$. What will the calculator display as the answer?
Q2.Working with fractions is always more accurate than using decimals.
Q3.The calculator displays the decimal 1.234567891. Which of the following could this decimal be?
Q4.Use your calculator to find the area of
