Visual animated presentations in the Think Bubble Mathematics series on the topic of Addition and Subtraction Facts.

• ### Bridging Ten on Open Number Lines [PowerPoint TBM205]

34 slides. Addition using ‘bridging ten” strategy on number lines. Open number lines introduced to solve problems. Interactive PowerPoint Think Bubble Math 205

• ### Bridging Ten on an Open Number Line

3 pp. Addition bridging ten worksheets to accompany “Bridging Ten on Open Number Lines” [PowerPoint TBM205]

• ### Addition Facts I Strategies [PowerPoint TBM301]

39 slides. Visual presentation of strategies to aid learning of addition facts +1, +2, +3, build to ten rainbow facts. Interactive PowerPoint Think Bubble Math 301

• ### Addition Facts I Daily Practice Set [PowerPoint TBM301P]

110 slides. 5 Daily Practice Sets of the addition facts +1, +2, +3, build to ten rainbow facts, focussing on one set per day and revising on the fifth. Visual presentation of strategies used. Interactive PowerPoint Think Bubble Math 301

• ### Addition Facts II Strategies [PowerPoint TBM302]

35 slides. Visual presentation of strategies to aid learning of addition facts doubles and doubles +1 as well as revision. Interactive PowerPoint Think Bubble Math 302

• ### Addition Facts II Daily Practice Set [PowerPoint TBM302P]

110 slides. 5 Daily Practice Sets of the addition facts doubles and doubles +1 as well as revision.. Visual presentation of strategies used. Interactive PowerPoint Think Bubble Math 302

• ### Addition Facts III Strategies [PowerPoint TBM303]

39 slides. Visual presentation of strategies to aid learning of addition facts +9 and +8 near ten facts and remaining facts. Interactive PowerPoint Think Bubble Math 303

• ### Addition Facts III Daily Practice Set [PowerPoint TBM303P]

110 slides. 5 Daily Practice Sets of the addition facts +9 and +8 near ten facts and remaining facts.. Visual presentation of strategies used. Interactive PowerPoint Think Bubble Math 303

• ### Addition of 2 Digit Numbers with Regrouping [PowerPoint TBM206]

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

• ### Addition of 2 Digit Numbers with Regrouping WS

6 pp. Worksheets to accompany Interactive PowerPoint Think Bubble Math 206.

• ### Addition of 2- and 3-Digit Numbers, regrouping above answer [PowerPoint TBM306 v1]

41 slides. Visual presentation of adding multiple 2-digit numbers and 3-digit numbers. 4 lessons. Regrouping included; regrouped digits are above the answer (v2 available; regrouped digits above the top numeral). Interactive PowerPoint Think Bubble Math 306

• ### Addition of 2- and 3-Digit Numbers, regrouping above top addend [PowerPoint TBM306 v2]

41 slides. Visual presentation of adding multiple 2-digit numbers and 3-digit numbers. 4 lessons. Regrouping included; regrouped digits are above the top numeral (v1 available; regrouped digits above the answer). Interactive PowerPoint Think Bubble Math 306

• ### Addition of 2 and 3 Digit Numbers with Regrouping WS

4 pp. Worksheets to accompany Interactive PowerPoint Think Bubble Math 306.

53 slides. Visual presentation of adding multiple 3 digit numbers and 4 digit numbers. 4 lessons. Regrouping included; regrouped digits are above the answer (v2 available; regrouped digits above the top numeral). Interactive PowerPoint Think Bubble Math 406 v1

• ### Addition with Decimals, regrouping above top addend [PowerPoint TBM406 v2]

53 slides. Visual presentation of adding multiple 3 digit numbers and 4 digit numbers. 4 lessons. Regrouping included; regrouped digits are above the top numeral (v1 available; regrouped digits above the answer). Interactive PowerPoint Think Bubble Math 406 v2

• ### Addition with Decimals WS

4 pp. Worksheets to accompany Interactive PowerPoint Think Bubble Math 406.

• ### Subtraction of 2-Digit Numbers with Regrouping [PowerPoint TBM207]

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

• ### Subtraction of 2-Digit Numbers with Regrouping WS

6 pp. Includes worksheets, number lines and hundred grid. Accompanies Interactive PowerPoint Think Bubble Math 207.

• ### Subtraction of 2 and 3-Digit Numbers with Regrouping [PowerPoint TBM307]

34 slides. Visual presentation of algorithms for subtracting from 2-, 3- and 4-digit numbers, including regrouping and zeros.

• ### Subtraction of 2 and 3-Digit Numbers with Regrouping WS

4 pp. Worksheets to practise subtraction from 2- and 3-digit numbers. Accompanies Interactive PowerPoint Think Bubble Math 307.

• ### Subtraction with Decimals

48 slides. Visual presentation of algorithms for subtracting 4-digit numbers and decimals. Includes regrouping and zeros.

• ### Subtraction with Decimals WS

4 pp. Worksheets to accompany Interactive PowerPoint Think Bubble Math 407.

45 slides. Visual presentations of stories about adding and subtracting with and without the “+” and “–” signs. Includes ten frame representations of the operation. Interactive PowerPoint Think Bubble Math 005

• ### Doubling and Halving to 20 [PowerPoint TBM203]

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

• ### Count On and Back 1, 2, 3 [PowerPoint TBM102]

32 slides. Adding and subtracting using count on and back 1, 2, 3. Use number lines to help students count. Interactive PowerPoint Think Bubble Math 102

• ### Count On and Back 1, 2, 3

4 pp. Adding and subtraction using count on and back 1, 2, 3. Worksheets accompany “Count On and Back 1, 2, 3” [PowerPoint TBM102]

• ### Building to Ten, Rainbow Facts [PowerPoint TBM104]

39 slides. Addition and related turnaround facts linked with subtraction to make 10. Uses ten frames to visually link the fact families Rainbow facts are explored. Interactive PowerPoint Think Bubble Math 104

• ### Single Ten Frame

1 p. Single ten frame for duplication. There are two ten frames on the sheet. Print one per two students. Cut and laminate. Use with “Building to Ten, Rainbow Facts” [PowerPoint TBM104]

• ### Addition and Subtraction Fact Families [PowerPoint TBM103]

28 slides. Addition and related turnaround facts linked with subtraction. Uses ten frames to visually connect the different concepts. Interactive PowerPoint Think Bubble Math 103