Maya's Ocean Numbers: Place Value Adventure

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Grade 3 Place Value Marine Biologist Theme Vocabulary Match Math

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Match 8 key Place Value vocabulary words to their definitions. Marine Biologist theme keeps kids engaged. Answer key included (CCSS.MATH.3.NBT.A.1).

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Page 1 — Vocabulary Match

$Free Grade 3 Math vocabulary match worksheet — Place Value — Common Core CCSS.MATH.3.NBT.A.1$

Page 2 — Answer Key

$Answer key — Grade 3 Math vocabulary match — Place Value — teacher and parent use only$

Click any image to view full size · 2 pages · Print-ready PDF

What is included

✓ 8 key Place Value vocabulary words

✓ Scrambled definitions to match

✓ Marine Biologist theme to keep kids motivated

✓ Bonus challenge — write sentences using vocabulary

✓ Answer key on page 2

✓ Print-ready PDF — Letter size

✓ standard difficulty level

About This Activity

Maya tagged a thousand glittering fish near the coral reef.

Teacher Tip

Bring in ocean creature counters — have students group them into ones, tens, and hundreds jars labeled with Maya's field tags, then practice rounding the totals to the nearest ten just like a marine biologist estimates a school of fish.

Vocabulary Words

DIGITA single number symbol, like the spots on one fish.

HUNDREDSThe place showing groups of one hundred ocean creatures.

TENSThe place showing groups of ten shells in a row.

ONESThe place showing single leftover creatures after grouping.

VALUEHow much a digit is worth based on its position.

ROUNDChange a number to the nearest ten or hundred.

ESTIMATEA smart guess about how many sea animals you see.

EXPANDEDA number broken apart to show each place separately.

About this Grade 3 Place Value Vocabulary Worksheet

This printable vocabulary match worksheet helps Grade 3 Math students learn key Place Value terms. The Marine Biologist theme makes vocabulary practice engaging while students build academic language skills. Includes answer key and bonus writing challenge (CCSS.MATH.3.NBT.A.1).

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