CCSS.Math.Content.K.CC.C
The standard
Compare numbers.
Common Core State Standards for Mathematics
What this standard means
Students need to compare small groups and numbers, deciding which has more, which has less, or whether they are the same. They should connect spoken number names, written numerals, and actual sets of objects.
Mastery looks like a child counting two groups accurately, matching each count to a numeral, then explaining the comparison in simple words. Common snags are recounting the same object, skipping objects, thinking a longer line always has more, or comparing numerals without knowing the quantities they stand for.
Ways to teach it
- Hands-on: Give pairs two cups of counters, have them count each cup, then place a greater than, less than, or equal card between them.
- Prompt: Show two groups of dots and ask, “Which group has more, and how do you know?”
- Quick assessment: Show numeral cards 4 and 7, ask students to build each with cubes and point to the larger number.
- Real-world connection: Compare snack counts, such as five crackers and three apple slices, and ask which food has fewer pieces.
Plan a lesson for CCSS.Math.Content.K.CC.C
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Related standards
- CCSS.Math.Content.5.NBT.A.3b
Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
- CCSS.Math.Content.1.NBT.B.3
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
- CCSS.Math.Content.K.CC.C.7
Compare two numbers between 1 and 10 presented as written numerals.
- CCSS.Math.Content.2.NBT.A.4
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.