instant recognition of numbers 11-99. teens base 10 student instantly recognizes the 10 and the one....

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Instant Recognition of Numbers 11-99

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Instant Recognition of Numbers

11-99

TEENS base 10

Student instantly recognizes the 10 and the one. Then add the two to make the teen. For example the student would say 10 + 1, 11.

tens (10s) ones or units (1s)

1110+1

tens (10s) ones or units (1s)

1210+2

tens (10s) ones or units (1s)

1310+3

tens (10s) ones or units (1s)

1410+4

tens (10s) ones or units (1s)

1510+5

tens (10s) ones or units (1s)

1610+6

tens (10s) ones or units (1s)

1710+7

tens (10s) ones or units (1s)

1810+8

tens (10s) ones or units (1s)

1910+9

tens (10s) ones or units (1s)

1210+2

tens (10s) ones or units (1s)

1310+3

tens (10s) ones or units (1s)

1710+7

tens (10s) ones or units (1s)

1510+5

tens (10s) ones or units (1s)

1610+6

tens (10s) ones or units (1s)

1310+3

tens (10s) ones or units (1s)

1810+8

tens (10s) ones or units (1s)

1510+5

tens (10s) ones or units (1s)

1610+6

tens (10s) ones or units (1s)

1910+9

tens (10s) ones or units (1s)

1710+7

tens (10s) ones or units (1s)

1810+8

tens (10s) ones or units (1s)

1910+9

tens (10s) ones or units (1s)

1210+2

tens (10s) ones or units (1s)

1110+1

tens (10s) ones or units (1s)

1410+4

tens (10s) ones or units (1s)

1110+1

tens (10s) ones or units (1s)

1410+4