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
34 slides. Hundreds place introduced. Uses a number expander along with base ten blocks and bundling sticks with visual animations. Interactive PowerPoint Think Bubble Math 202
46 slides. Locating 2-digit and 3-digit numbers on a number line, with and without numbered markers. Interactive PowerPoint Think Bubble Math 204
53 slides. Reading and spelling numbers to 999. 4 lessons. Connects spelling of ones, teens and tens to numbers in the hundreds. Includes ordinal numbers. Interactive PowerPoint Think Bubble Math 209
34 slides. Addition using ‘bridging ten” strategy on number lines. Open number lines introduced to solve problems. Interactive PowerPoint Think Bubble Math 205
50 slides. Adding 2 digit numbers with regrouping using number lines, open (empty) number lines, hundred board and base ten materials. Interactive PowerPoint Think Bubble Math 206
49 slides. Visual presentation for subtracting 2-digit numbers using number lines, open (empty) number lines, hundred grid and base ten materials. Includes bridging ten and regrouping examples. Interactive PowerPoint Think Bubble Math 207
35 slides. Doubling and halving numbers to 20. Mental strategy used with ten frames to encourage subitizing of answers. Counters animate. Interactive PowerPoint Think Bubble Math 203
44 slides. Multiplication introduced through ‘groups of’ and ‘rows of’ stories. Also uses arrays to develop concept. Includes turnarounds and repeated addition. Interactive PowerPoint Think Bubble Math 208
83 slides. Telling time on analog and digital clocks to the quarter hour. Includes calendar work: days of the week, months & seasons. PowerPoint Think Bubble Math TBM 210
