Interactive, animated lessons built on PowerPoint, with associated worksheets. Aligned with Year 5 level curriculum.

• ### Reading and Writing Numbers to Millions and Decimals [PowerPoint TBM509]

46 slides. Extends the reading and writing of number into the trillions and beyond. 4 lessons. Includes decimals to thousandths and fractions. Interactive PowerPoint Think Bubble Math 509

• ### Factors and Multiples [PowerPoint TBM505]

31 slides. Identify multiples of primes, find factors of numbers. Includes factor trees. Interactive PowerPoint Think Bubble Math 505

• ### Least Common Multiple, Greatest Common Factor [PowerPoint TBM506]

67 slides. Find the Least Common Multiple and Greatest Common Factor of numbers to 100. Interactive PowerPoint Think Bubble Math 506

• ### Compare and Order Common Fractions [PowerPoint TBM504]

40 slides. Common fractions ordered and compared. Convert mixed fractions and improper fractions. Use < > =. Interactive PowerPoint Think Bubble Math 504

• ### Add and Subtract Fractions, Mixed Numbers, Like Denominators [PowerPoint TBM507]

44 slides. Adding and subtracting fractions and mixed numbers with like denominators. Interactive PowerPoint Think Bubble Math 507

• ### Tenths and Hundredths [PowerPoint TBM502]

40 slides. Tenths and hundredths linked to common fractions. Convert between them with a number expander. 10 hundredths is 1 tenth. Locate on number lines. Interactive PowerPoint Think Bubble Math 502

• ### Thousandths Introduced [PowerPoint TBM508]

75 slides. Thousandths linked to common fractions. Includes explorations with folded paper, division of shapes, base ten blocks and number lines. PowerPoint TBM508

• ### Rounding and Estimating [PowerPoint TBM503]

33 slides. Rounding numbers to tens, hundreds, and decimals to ones. Using rounding in estimating answers and shopping. Interactive PowerPoint Think Bubble Math 503

• ### Doubling, Halving 2 Digit Numbers Mentally [PowerPoint TBM501]

48 slides. Strategies and practice for mentally doubling and halving 2-digit numbers, x10 and dividing by 10, extending to x20 and dividing by 20. Interactive PowerPoint Think Bubble Math 501

• ### Time: Seconds, 24 hour clocks, Calendars [PowerPoint TBM510]

69 slides. Telling time including seconds, converting between 24 hour and 12 hour clocks, simple time problems, and calendar work. Interactive PowerPoint Think Bubble Math TBM510