Curriculum>Grade 1> Module 4>Topic A: Tens and Ones

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Students will count the total number of base-10 cubes, then decompose numbers 11-19 into a group of ten and some ones. Students will identify the one group of 10 and how many ones remain

B. Practice with number words 0-50

C. Practice with number lines showing 10-100

D. More practice with number lines showing 0-50

E. Review the difference between letters and digits. Learn about 1- and 2-digit numbers

F. Learn about the concept of 10-frames

G. Represent groups of ten as 2-digit numbers

H. Review the concept of tens written as a 2-digit number

I. Represent 2-digit numbers as groups of ten and some ones

J. More practice making equivalencies between groups of ten and some ones and 2-digit numbers

K. Write a 2-digit number to represent tens and ones

L. Identify place value within a 2-digit number

M. More practice identifying place value within 2-digit numbers

N. Complete number sentences breaking 2-digit numbers into tens plus some ones

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