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Overview
Grade 1
Number
4. Represent and describe numbers to 20 concretely, pictorially and symbolically
4.4 Place values of digits up to 99
Place values of digits up to 99
What You'll Learn
Identify the tens place and ones place in two-digit numbers up to 99
Count and group objects into sets of ten and leftover ones
Recognize that each ten represents a group of 10 individual units
Write numbers by stating how many tens and ones they contain
What You'll Practice
1
Counting dots arranged in groups of ten and individual ones
2
Writing the number of tens and ones for visual representations
3
Identifying place values from different dot arrangements
Why This Matters
Understanding place value is the foundation for all math you'll do with numbers. This skill helps you add, subtract, compare numbers, and work with money in everyday life.
This Unit Includes
Practice exercises
Skills
Place Value
Tens and Ones
Number Sense
Counting
Two-Digit Numbers
PEI Curriculum Aligned