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Add and subtract sibling numbers
Add and sub sibling numbers in the range from 1 to 100
8802 Add and subtract sibling numbers
Add and subtract spliting one digit number
Addition and subtraction by splitting one digit number
4896 Add and subtract spliting one digit number
Add and subtract terms with incrementing summand
In a series of addition or subtraction terms, one number changes stepwise.
5355 Add and subtract terms with incrementing summand
Add and subtract times table product
Addition and subtraction of times table products
7300 Add and subtract times table product
Add and subtract times table product with same factor
Addition and subtraction of times table products for a single number one to ten
5139 Add and subtract times table product with same factor
Add multiples of powers of ten
Multiples of powers of ten added to natural numbers.
8201 Add multiples of powers of ten
Add numbers
Numbers with or without decimal places have to be added.
Add two numbers with specific number of places
Addition of two numbers with controlled number of digits for each number.
6327 Add two numbers with specific number of places
Addition of powers of ten, fill blanks
What multiple of a power of ten has been added?
8703 Addition of powers of ten, fill blanks
Addition or subtraction, insert correct symbol
In a series of addition or subtraction problems, the plus or minus symbol is missing.
4599 Addition or subtraction, insert correct symbol
Addition up to ten in graphical form
Plus problems up to ten are to be described using marbles.
2763 Addition up to ten in graphical form
Columnar addition
Columnar addition of multiple summands.
Columnar addition with blanks
Blanks in columnar addition to be filled in correctly.
1442 Columnar addition with blanks
Columnar subtraction
Columnar addition of multiple subtrahends.
9777 Columnar subtraction
Divide a fraction by a whole number
A fraction has to be divided by a whole number.
5220 Divide a fraction by a whole number
Division by multiples of power of ten
Divison by a power of ten or a multiple thereof.
6894 Division by multiples of power of ten
Division series 1x1 with factor 10
Division problem series with divisor and dividend alternating with factor ten.
8345 Division series 1x1 with factor 10
Division times table 1-10
Division problems from the multiplication tables
1717 Division times table 1-10
Double a given number
Double a number with or without decimal places.
4627 Double a given number
Factor or multiple?
Determine whether a number is a factor or multiple of another.
Factors of a number
For a given number, all factors have to be listed.
Frames & Arrows w/ elementary arithmetic - add & sub
Simple frames and arrows chain task with one elementary arithmetic operation, results are to be filled in blank spaces.
8518 Frames & Arrows w/ elementary arithmetic - add & sub
Frames & Arrows w/ elementary arithmetic - varying ops
In a frames and arrows calculation chain task, the results are to be filled in the blank spaces.
2247 Frames & Arrows w/ elementary arithmetic - varying ops
Halve numbers
Divide numbers by two, whole numbers or with decimal places.
Insert relational operator - simple
Insert the correct relational symbol between two numbers.
7029 Insert relational operator - simple
Insert relational operator for subtraction terms
The correct relational operator has to be inserted for subtraction terms.
5303 Insert relational operator for subtraction terms
Insert relational operator for sum terms
The correct relational operator has to be inserted for addition terms.
5234 Insert relational operator for sum terms
Insert the arithmetic operator
In an equation with two operands, insert the correct arithmetic symbol.
4680 Insert the arithmetic operator
Insert two arithmetic operators
In an equation with three operands, insert two operators.
6624 Insert two arithmetic operators
Long multiplication to be performed for two factors
Two factors have to be multiplied using the long multiplication written form.
3232 Long multiplication to be performed for two factors
Magic triangle with sums to be filled in correctly
In a magic triangle, six numbers have to be filled in correctly.
1655 Magic triangle with sums to be filled in correctly
Matrix of addition and subtraction problems
Table of addition and subtraction problems
6571 Matrix of addition and subtraction problems
Mean and median to be determined
For a series of numbers, the mean or median is to be found.
3103 Mean and median to be determined
Median and mean - decide which number is which
For two given numbers for a number series, decide which is the median and which is the mean.
9556 Median and mean - decide which number is which
Median or mean value - Which one is it?
Decide whether a number is the median or mean of a given series of whole numbers.
8194 Median or mean value - Which one is it?
Multiples of a number list first n
For a given number, list the first n multiples.
9444 Multiples of a number list first n
Multiples of a number up to a limit
For a given number, the multiples up to a given limit have to be listed.
5221 Multiples of a number up to a limit
Multiplication by power of ten
Multiplication of a whole numbers with powers of ten or multiples of powers of ten
3003 Multiplication by power of ten
Multiplication of two natural numbers
Multiplication problems with defined number range
8228 Multiplication of two natural numbers
Multiplication tables with mistakes
In a number of tasks from the multiplication tables, mistakes have to be found.
9287 Multiplication tables with mistakes
Multiply fractions by whole numbers
A fraction has to multiplied by a whole number.
7650 Multiply fractions by whole numbers
Negative whole numbers add and subtract
Negative whole numbers are to be added and subtracted
3402 Negative whole numbers add and subtract
Negative whole numbers add and subtract choose result
For an addition or subtraction problem with negative numbers, the correct result must be chosen.
8902 Negative whole numbers add and subtract choose result
Number wall sums of whole numbers
In the number wall missing sums have to be added.
8704 Number wall sums of whole numbers
Number wall times table products
In a number wall, products from the times tables 1-10 are to be filled in.
2762 Number wall times table products
Place value board table and number words
In a table, place values and number words have to be added
5653 Place value board table and number words
Relational operator insert digit for true statement
Add a digit in a relational statement to make it true.
6274 Relational operator insert digit for true statement
Relational symbol with times table terms and number
Compare Times table multiplication terms to numbers, decide what is the correct relational symbol.
3700 Relational symbol with times table terms and number
Subtract mupltiples of powers of ten
Multiples of powers of ten subtracted from natural numbers.
6761 Subtract mupltiples of powers of ten
Subtract numbers in range
Multiple numbers with or without decimal places have to be subtracted.
3115 Subtract numbers in range
Subtraction by filling up place values
Calculate difference by stepping up each place value.
4950 Subtraction by filling up place values
Subtraction power of ten fill blanks
What multiple of a power of ten has been subtracted?
8601 Subtraction power of ten fill blanks
Subtraction term graphical representation
A series of marbles represents a subtraction term - empty spaces to be filled in term.
8490 Subtraction term graphical representation
Subtraction two numbers with specific no of places
Subtraction of two numbers with controlled number of digits for each number.
9801 Subtraction two numbers with specific no of places
Table of multiplication problems
Matrix of multiplication problems with whole numbers
5545 Table of multiplication problems
Test for divisibility
A row of numbers is presented. Delete those that are not divisible by a given divisor.
4290 Test for divisibility
Times table fill in blanks
Simple times table problems where the product and a factor are given.
2776 Times table fill in blanks
Times table with factor ten
Multiplication problem series introducing factor of ten
6733 Times table with factor ten
Times table:Multiplication problems in range one to ten
Multiplication problems from the 1-10 times tables.
7354 Times table:Multiplication problems in range one to ten
