ENHR

Numbers

Pictures for teaching numbers: number lines, hundred charts, factors and prime factors, base ten blocks, counters and rods. Click a picture to see it larger and download it.

Number lines4Open the app

Number line from 0 to 10 Number line from 0 to 20 Number line from −5 to 5 Number line from −10 to 10

Hundred chart10Open the app

Hundred chart Number chart 0 to 99 Number chart to 200 Hundred chart: multiples of 2 Hundred chart: multiples of 3 Hundred chart: multiples of 5 Hundred chart: multiples of 9 Hundred chart: multiples of 2 and 3 Sieve of Eratosthenes: primes to 100 Number chart: primes in six columns

Factors and prime factors9Open the app

Rectangles from 12 squares (factors of 12) Rectangles from 24 squares (factors of 24) Rectangles from 36 squares (factors of 36) Division with remainder: 12 squares in rows of 5 Factor tree of 60 Factor tree of 72 Two factor trees of 60 Factor table of 60 Factor table of 72

Place value blocks4Open the app

Base ten blocks: unit (1) Base ten blocks: rod (10) Base ten blocks: flat (100) Base ten blocks: cube (1,000)

Counters3Open the app

Positive and negative counters Counters for −5 + 2: two groups Counters for −5 + 2: zero pairs

Rods8Open the app

Rods 1 to 10, 3D, with numbers Rods 1 to 10, 3D, without labels Rods as fractions (whole = 10), 3D Rod staircase, 3D, with numbers Rod staircase, 3D, without labels Rods 1 to 10, flat, with numbers Rods 1 to 10, flat, without labels Rods as fractions (whole = 10), flat

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