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

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Given a set of base-10 blocks, students will count the number of groups of rods and cubes and represent them as 10s and 1s. Students will rewrite that value as a 2-digit number. Then, they will identify what the digits represent-10s or 1s

A. Decompose numbers 11-19 into a group of 10 and some ones

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

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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