Montana Math MT.1.NBT.3
The Standard
Compare two two-digit numbers using comparison symbols >, =, and <.
2026 Montana Mathematics Content Standards
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students compare two-digit numbers by looking at the tens first. If the tens match, they compare the ones. They write >, <, or = between the numbers.
What Mastery Looks Like
- A student writes 29 < 31 and explains that 31 has more tens. They compare the ones to write 46 > 42. They write 57 = 57 when both numbers match.
Common Misconceptions
- Students may say 29 is greater than 31 because 9 is greater than 1. They may reverse < and > when the larger number is on the right.
How to Assess It
- Exit ticket: Fill in the symbols for 29 __ 31, 46 __ 42, and 57 __ 57. Circle the digits you used to decide.
Lesson moves
Ways to Teach It
Build 29 and 31 with ten-sticks and cubes, then place a comparison symbol card between them.
Ask, "Which is greater, 48 or 52? Why doesn't the 8 make 48 greater?"
Deal two number cards to each pair; players place the correct symbol between them and explain their choice.
Put $24 and $27 price tags on two toy photos; have students choose the cheaper toy and write 24 < 27.
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Printable MT.1.NBT.3 Worksheet
A ready-to-print activity worksheet aligned to MT.1.NBT.3, with an answer key for the teacher on its own page. No account needed.
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