Addition boxes

Addition boxes

Pencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about inserting numbers to complete equations.

Question 1Change answer


Complete each equation by filling in the boxes. Use only the numbers above.
Each number can be used more than once. 
a)   3  +   +   =  9
 
b)  7  +    +  2  =  15
 
c)    +  8  +    =  20
 
d)    +  5  +    =  20
Task administration: 
This task can completed with pencil and paper or online.
Level:
3
Curriculum info: 
Maths, Number and Algebra, Equations and expressions
Keywords: 
linear equations, addition
Description of task: 
Students complete linear equations by selecting from a range of numbers.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Using symbols and expressions to think mathematically, set 4
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
     

Y6 (08/1998)
2 marks
(for 4 correct)
or
1 mark
(for 2-3 correct)		 a)
b)
c)
d)		 1 + 5, 2 + 4, or 3 + 3
6
2 + 10, 3 + 9, 4 + 8, 5 + 7, or 6 + 6
10 + 5, 9 + 6, or 8 + 7		 easy

very easy
NOTE 1: the order of the numbers in all equations can be reversed.
Diagnostic and formative information: 
  Common error
a)-d) Makes two boxes sum to right-hand side of equation and ignores the third number.