# place value

## Adding Ten Tiles II

- Problem Solving Activities
- Number and Algebra
- Level Six

Use the numbers facts with digits to solve a problem

Devise and use problem solving strategies to explore situations mathematically (guess and check, be systematic, look for patterns, think, use algebra).

## Base 3

- Problem Solving Activities
- Number and Algebra
- Level Five

Write numbers in base 3

Do arithmetic in base 3

Explain the "links" between base 3 and decimal numbers

Devise and use problem solving strategies to explore situations mathematically (be systematic).

## Adding Ten Tiles I

- Problem Solving Activities
- Number and Algebra
- Level Five

Use the numbers facts with digits to solve a problem;

Use a systematic approach to get the number of ways that four numbers can add to 9.

## How High?

- Problem Solving Activities
- Number and Algebra
- Level Four

Explain a meaning of a million

Make sensible estimates of numbers using powers of 10 up to a million.

Multiply and divide with numbers up to a million (using a calculator)

## The 500 Problem

- Problem Solving Activities
- Number and Algebra
- Level Three

Explain face, place and total value of numbers

Solve 3-digit subtraction problems

Devise and use problem solving strategies (guess and check, think logically)

## Target 15 287

- Numeracy Activities
- Number and Algebra
- Level Three

This is a whole class game but can be played in small group situations where they can take turns to roll the die. To give students practice in adding numbers from one up to ones of thousands or decimal numbers from thousandths to ones. Both cards can be played at the same time which caters for differing students’ needs.

## Rolling Problems

- Numeracy Activities
- Number and Algebra
- Level Three

In this activity we work with four digit numbers, adding and subtracting 1, 10, 100 and 1000 to these.

## My Decimal Number

- Numeracy Activities
- Number and Algebra
- Level Three

In this activity students brainstorm different ways to represent decimal fractions. They will draw on their knowledge of decimal place value, addition and subtraction of decimals, and writing decimals in words and symbols.

## Show Me the Number

- Numeracy Activities
- Number and Algebra
- Level Two

The purpose of this activity is to develop students’ ability to show two-digit numbers using place value material.

## Th numbers

- Numeracy Activities
- Number and Algebra
- Level Two

In this activity students learn that the code in English for fraction is that the words end in -“th”