Texas Math Models

Try “number line” or “4.5D”

Carry it down the table

the second pair decides

G3

Both rules fit the first pair. Carry each one down to the next row.Pencils in PacksPacksPencils16212318424the second pair is what decides it+ 52 + 5 = 7, not 12  ✗× 62 × 6 = 12  ✓3 × 6 = 18  ✓4 × 6 = 24  ✓the rule is FOUND, not guessedwhen a pair breaks a rule, cross it out and carry the other one down

How this one works

How

take each rule that fit and try it on the next row. Cross out any that fail.

Best when

more than one rule fit the first pair.

seen one of these on a test? See it on a real question: TEKS 3.5E, finding the rule in a table.

The same problem, other ways