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# All problems tagged Calculation rules

If you remember the quickname of a problem, you can add it to your worksheet very quickly: On the bottom right of the worksheet editor, there is a quick entry form field.

NameDescriptionQuickname with a link to the detailed view
Add Sub times table same factorAddition and subtraction of times table products for a single number one to ten5139 Add Sub times table same factor
Combine like termsCombine like terms in a sum term6275 Combine like terms
Combine like terms with negated bracketsCombine like terms in a sum term and expand terms in negated brackets6625 Combine like terms with negated brackets
Division series 1x1 with factor 10Division problem series with divisor and dividend alternating with factor ten.8345 Division series 1x1 with factor 10
Expand and simplify term, combine like termsExpand a term with sums and products with numbers and variables. Combine like terms to simplify the result.3291 Expand and simplify term, combine like terms
Factorisation of termsFactorise a term with variables8231 Factorisation of terms
Insert the arithmentic operatorIn an equation with two operands, insert the correct arithmetic symbol.4680 Insert the arithmentic operator
Insert two arithmentic operatorsIn an equation with three operands, insert two operators.6624 Insert two arithmentic operators
Multiplication of negative numbersMultiplication of two negative numbers, training the rules for the product's sign.9229 Multiplication of negative numbers
Number wall times table productsIn a number wall, products from the times tables 1-10 are to be filled in.2762 Number wall times table products
Product term expansionExpand product term with variables.8621 Product term expansion
Simplify product termA product term with number literals and variables as factors has to be simplified.7164 Simplify product term
Times table with factor tenMultiplication problem series introducing factor of ten6733 Times table with factor ten
These informational pages with samples describe math problems that can be combined on custom math worksheets with solutions for home and school use.