Visual animated presentations in the Think Bubble Mathematics series on the topic of Numbers to 99.

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• ### Introduction to Tens and Ones [PowerPoint TBM105]

48 slides. Introducing Ten and Ones in numbers to 99. Read, write, spell and say the numbers displayed with animating bundling sticks, base ten blocks, marbles and Unifix cubes. Interactive PowerPoint Think Bubble Math 105

• ### Tens and Ones Template

1 p. Template for duplications for writing numbers with Tens and Ones. Use with “Introduction to Tens and Ones” [PowerPoint TBM105]

• ### Counting Through 100 in 1s and 10s [PowerPoint TBM106]

124 slides. Numbers to 120 explored with a focus on counting in 1s and 10s. Uses base ten resources, hundreds grid and number lines to help students visualise the process. Interactive PowerPoint Think Bubble Math 106

• ### Counting Through 100 in 1s and 10s Worksheets

4 pp.Numbers to 120 explored with a focus on counting in 1s and 10s. Accompanies “Counting Through 100 in Ones and Tens” [PowerPoint TBM106]

• ### Counting To 100 in 2s and 5s

83 slides. Numbers to 100 explored with a focus on counting in 5s and 10s. Uses base ten resources, hundreds grid and number lines to help students visualise the process. Interactive PowerPoint Think Bubble Math 107

• ### Counting To 100 in 2s and 5s Worksheets

4 pp. Count on and back in 5s and 10s starting from any number. Find 5 and 10 more and less than a given number. Accompanies “Counting To 100 in 5s and 10s” [PowerPoint TBM107]

• ### Regrouping with Tens and Ones [PowerPoint TBM201]

34 slides. Tens and Ones explored with a focus on regrouping for example 6 Tens to 4 Tens and 26 Ones. Number expanders used for some examples. Interactive PowerPoint Think Bubble Math 201

• ### Tens and Ones Regrouped

3 pp. Tens and ones worksheet to accompany “Regrouping with Tens and Ones” [PowerPoint TBM201]