Fizzing It Up

Purpose

This is a level 2 number activity from the Figure It Out series. It relates to Stage 5 of the Number Framework.
A PDF of the student activity is included.

Achievement Objectives
NA2-3: Know the basic addition and subtraction facts.
NA2-3: Know the basic addition and subtraction facts.
Student Activity

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Specific Learning Outcomes

know addition facts

Required Resource Materials
2 tens frames

FIO, Level 2-3, Basic Facts, Fizzing It Up, page 5

counters

Activity

Tens frames are particularly good aids to help students see patterns that connect the basic addition and subtraction facts. Students should have enough prior experience with tens frames to be able to instantly recognise patterns of numbers up to 10 when they are quickly shown to them and then hidden. (This is known as “subitising”.) An interesting result of this is that students develop a “subtract from ten” view of the numbers six to nine, that is:

tens frames.

This facilitates the development of an “up over ten” strategy for the more difficult addition facts. For example, consider 8 + 7:

tens frames.
You could ask students to draw a picture in the air of how they worked out solutions. Another possible strategy for 8 + 7 is a comparison with doubles patterns:

tens frames.
The activity on page 5 suggests a growing series of tens frames. It is also a useful method for learning basic facts through pattern. For example:

tens frames.
Answers to Activity

Activity
1. 4 + 4
2. 4 + 5 = 9 4 + 6 = 10 4 + 7 = 11

table.

tens frames.
4 + 8 = 12 4 + 9 = 13 4 + 10 = 14
3. 6 + 6, as shown on the page
4.

 tens frames.

5.

tens frames,

Attachments

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