Numbasics

10

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\(18.6 + 19.6 − 17.6\)

Correct Wrong

\((-15) \times (-12)\)

Correct Wrong

\(138 \div (-12)\)

Correct Wrong

For every four and a half tins of red paint, twelve tins of white paint are required. How many tins of white paint are required for 36 tins of red paint?

Correct Wrong

The answer to a calculation was rounded to 2.42 correct to three significant figures. What is the smallest value the exact answer could have been?

Correct Wrong

The digits 4, 7, 6 and 5, are arranged in random order to make a four-digit number. In how many different ways can this be done?

Correct Wrong

Write the number eight hundred and fifty thousand, seven hundred and eighty in digits.

Correct Wrong

Write the number
7.1 × 105
as an ordinary number
(not in standard form).

Correct Wrong

Write the number
8 × 10-3
as an ordinary number
(not in standard form).

Correct Wrong

\(40000 - 23\)

Correct Wrong

\(8 \times 9 \times 10 \times 11\)

Correct Wrong

\(99 - 196\)

Correct Wrong

\(78.8 + \square = 85.7\)

Correct Wrong

\(4830 − \square = 4816.8\)

Correct Wrong

\(135 ÷ \square = 18\)

Correct Wrong

Find \(x\) if the point \((x,5.5)\) is the midpoint of
\((2, 8)\) and \((18, 3)\)

Correct Wrong

Find the gradient of the line joining the points
\((5, 1)\) and \((6, 8)\)

Correct Wrong

Find the gradient of the line joining the points
\((4, 7)\) and \((6, 5)\)

Correct Wrong

Evaluate \(0.7^0\)

Correct Wrong

What is \( \sqrt{289}\)?

Correct Wrong

\(80\% \; \text{of} \; 320\)

Correct Wrong

\(1000-(8^2 + 6 \times 3)\)

Correct Wrong

\(683 \div 2 = \square \div 2\)

Correct Wrong

\(65 \div \frac12 \)

Correct Wrong

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Record Sheet

There is a printable record sheet to go with this activity. Record progress as an ever growing bar chart as you progress through the levels. You might want to enlarge it to A3 size on a photocopier if your eyesight is anything like mine!

Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

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Description of Levels

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Level 1 - Inspired by the number and operations curriculum statements for Year 5

Level 2 - Inspired by the number and operations curriculum statements for Year 6

Level 3 - Entry Level lower Secondary school standard

Level 4 - Intermediate lower Secondary school standard

Level 5 - Intermediate lower Secondary school standard

Level 6 - Intermediate lower Secondary school standard

Level 7 - Confident lower Secondary school standard

Level 8 - Confident lower Secondary school standard

Level 9 - Confident middle Secondary school standard

Level 10 - Confident upper Secondary school standard

The questions at each level change each time the page is loaded, refeshed or one of the level tabs is clicked.

More Arithmetic including lesson Starters, visual aids, investigations and self-marking exercises.

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There is a printable record sheet to go with this activity. Record progress as an ever growing bar chart as you progress through the levels. You might want to enlarge it to A3 size on a photocopier if your eyesight is anything like mine!

Performance Report

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This is the place you will receive feedback about your preformance. You will be able to see which questions you got wrong and how long it took you to complete the exercise.

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