## 1 to 100 grid

Chart showing numbers from 1–100 arranged in rows of 10.

## 10 by 10 grid

Blank 10 by 10 grid.

This document contains the transcription of the video Adding Tens which explores good teaching about adding tens.

## Array Flash video transcript

This document contains the transcription of the video Array Flash which explores good teaching using arrays.

## Back through Tens video transcript

This document contains the transcription of the video Back Through Tens which explores good teaching of the back-through-ten strategy.

## Blank multiplication fact grid

10 by 10 grid with numerals 1–10 along the first row and first column.

## Differences video transcript

This document contains the transcription of the video Differences which explores good teaching when finding differences.

## Different Divisions video transcript

This document contains the transcription of the video Different Divisions.

## Doubles slide presentation

tdt_MC_doubles.ppt 425.50 kB

## Empty number line slide presentation

This document contains the transcription of the Equal Additions video which explores good teaching using pairs of numbers with the same differences.

## Facts and Models video transcript

This document contains the transcription of the video Facts and Models.

## Jumping Strategies video transcript

This document contains the transcription of the video Jumping Strategies.

This document contains the transcription of the Masked Collections video.

## Multiplication fact grid

Table showing numbers from 0–100 arranged in rows of 10.

## Renaming Tens with Addition video transcript

This document contains the transcription of the video Renaming Tens with Addition.

## Renaming Tens with Subtraction video transcript

This document contains the transcription of the video Renaming Tens with Subtraction

## Splitting Arrays video transcript

This document contains the transcription of the video Splitting Arrays.

## Splitting Strategies video transcript

This document contains the transcription of the video Splitting Strategies

## Tens Frame Parking video transcript

This document contains the transcription of the video Tens Frame Parking which explores 'parking' ones when adding or subtracting.

## Types of combined operations problems

This table contains examples of questions which use two operations. They appear in a 4 by 4 table. All combinations of the four operations are covered.

## Up Through Tens video transcript

This document contains the transcription of the video Up Through Tens which explores good teaching of the up-through-tens strategy.

## Using Tens Frames with Fingers video transcript

This document contains the transcription of the video Using Tens Frames with Fingers which explores the big idea of explaining number facts for addition and subtraction using tens frames.

## What Do I Know? game instructions slide presentation

Slide presentation of the rules for the What Do I Know? game.

## What Do I Know? video transcript

This document contains the transcription of the video What Do I Know?