Mixed Single Digit Problems with Missing Numbers

Number of Problems

10
12
16
20

Operators

Add
Subtract
Multiply
Divide

Limit sums to 10 or less.

Missing Factors are Replaced With...

Blank Lines
Boxes
Upper Case N
Lower Case n
Lower Case x
Various Lower Case Letters

Multiplication Symbol

Applies only to problems with variables.
Problems with blanks or boxes will use x as the multiplication symbol.

2 x n = 6
2 · n = 6
2n = 6

Lay Out the Problems like...

__ + 9 = 12
3 + __ = 12
12 = __ + 9
12 = 3 + __

Multiple worksheets

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Language

English
Spanish
French

Memo Line

Include Answer Key