A spy-themed addition and subtraction sheet for Year 4 maths. In Mission 1 pupils use column methods on four-digit calculations like 4,258 + 3,894, then check their answers with inverse operations. Mission 2 is a multi-step budget problem: Agent X has £8,500 and a jetpack to buy. Worked solutions are included. Everything maps to the England National Curriculum addition and subtraction objectives.
Number - addition and subtraction
“Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate”
Mission 1 is column method practice throughout.
Number - addition and subtraction
“Estimate and use inverse operations to check answers to a calculation”
Pupils check their own answers with the inverse as part of the mission.
Number - addition and subtraction
“Solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why”
The Gadget Budget problem needs more than one step and a choice of method.
Column calculations such as 4,258 + 3,894 and 7,105 - 2,468, each checked using the inverse operation.
A multi-step word problem spending Agent X's £8,500 mission budget.
Worked solutions for every question.
Main activity
The two missions fill the practice slot of a column methods lesson.
Homework
The theme travels well and the worked solutions help at home.
Assessment check
Mission 1 shows quickly who can calculate and who can also check.
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