Frozen inspired sheet to inspire children to record their own number sentence using a key. Sheet could be extended by removing the + and = and children being expected to record the whole number sentence themselves. Numbers on the key could also be made bigger or children could add together more items.
'read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs
represent and use number bonds and related subtraction facts within 20
add and subtract one-digit and two-digit numbers to 20, including zero
solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7 = – 9.' National Curriculum.