Number Bonds to 20 (notebook)

Year1 Number - Addition and Subtraction lesson on Number Bonds to 20.

Split into three parts.

Part 1: Recap and extension.

Part 2: Reading, writing and interpreting mathematical statements.

Part 3: Using knowledge of number bonds to 20 to solve problems with larger numbers.

Lesson Objectives:

a) To read, write and interpret mathematical statements involving addition (+) subtraction (-) and equals (=) signs. (1C2b)

b) To be able to represent and use number bonds and related subtraction facts within 20. (1C1)

c) To be able to add and subtract single-digit and two-digit numbers to 20, including zero. (1C2a)

d) To solve one step problems that involve addition and subtraction. (1C4)

Students are encouraged to use a range of concrete objects to help them solve problems. Includes recording templates for diagrams, words and symbols, using a Ten Frame, and Mastery questions, and blank templates/worksheets.

This interactive allows students to partition biscuits into two plates to make different combinations of number bonds.