Ralph van Dijk and side-kick Matrix have more questions to consolidate mental maths skills and the focus today is adding and subtracting the number 9.

Addition and subtraction of the number 9

Maths quizzes for children aged 9 - 11 emphasising mental maths and problem solving.

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K-12

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Ralph van Dijk returns with a quiz with questions about equivalent fractions.

10. Equivalent fractions

Ralph van Dijk returns with a quiz with questions about dividing tenths and hundredths.

9. Dividing tenths and hundredths

Ralph van Dijk returns with a quiz with questions about multiplying with zeroes.

8. Multiplying with zeroes

Ralph van Dijk returns with a quiz with questions about calculating with large numbers.

7. Calculating with large numbers

Ralph van Dijk returns with a quiz with questions about rounding numbers up and down.

Addition and subtraction of the number 9

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