Embedded Files
Subtract from numbers up to 20.
Subtract from numbers up to 20.
Concrete resources and pictorial images
Concrete resources and pictorial images
Tens Frame
Bar models - Ants on a log
Part-Whole Model
Double-sided counters
Use physical objects, counters, cubes etc to show how objects can be taken away.
Pictures
Number Tracks
Bead-strings
Number lines
Cubes - make bars to find the difference
Here are some photographs of our work on subtraction using cubes, number lines and bead strings to help us.
We shall add some subtraction videos next week!
Written Calculation (Abstract)
Written Calculation (Abstract)
Start by using numbers within the part-whole model.
Simple subtraction number sentences:
5 - 2 = 3
5 - 2 = 3
Children should also be exposed to number sentences where the equals sign is in different places:
3 = 5 - 2
3 = 5 - 2
Year 1 National Curriculum Objectives
Year 1 National Curriculum Objectives
Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs.
Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs.
Represent and use number bonds and related subtraction facts within 20.
Represent and use number bonds and related subtraction facts within 20.
Add and subtract one-digit and two-digit numbers to 20, including zero.
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.
Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7 = __– 9.
Page updated
Report abuse