Multi-digit subtraction with regrouping. Game on.

Multi-digit subtraction with regrouping is a grade 3 math skill aligned to Common Core standard 3.NBT.A.2: fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 159 multi-digit subtraction with regrouping problems our math games drill.

CCSS 3.NBT.A.2159 questions in the bank
Kickoff

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Warm-upeasy

What is 20−1920 - 19?

20−19=120 - 19 = 1.

Mid-gameeasy

What is 80−7980 - 79?

80−79=180 - 79 = 1.

Mid-gameeasy

What is 31−2931 - 29?

31−29=231 - 29 = 2.

Mid-gameeasy

What is 70−6770 - 67?

70−67=370 - 67 = 3.

Mid-gameeasy

What is 21−1821 - 18?

21−18=321 - 18 = 3.

Mid-gameeasy

What is 92−8992 - 89?

92−89=392 - 89 = 3.

Mid-gameeasy

What is 31−2731 - 27?

31−27=431 - 27 = 4.

Buzzer beatereasy

What is 54−4954 - 49?

54−49=554 - 49 = 5.

Overtime

151 more. Played, not assigned.

The rest of the bank lives inside live head-to-head matches — the placement test finds the right starting difficulty.

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Tests that cover multi-digit subtraction with regrouping:
SBACACT Aspirei-ReadyVTCAPSC READY
Reporting domains for this skill
STAAR Grade 3: Computations and Algebraic RelationshipsMAP Growth Math 2-5: Number and Operationsi-Ready Grade 3: Number and Operations in Base TenSBAC Grade 3: Concepts and ProceduresAASA Grade 3: Number and Operations in Base TenACAP Grade 3: Number and Operations in Base Ten
More Grade 3 skills
PerimeterMulti-digit addition with regroupingMultiplication tablesPicture and bar graphsArea of rectanglesDivision factsProperties of operationsRoundingAll Grade 3 practice →

Drill it inside a game.

The free placement test finds your level, then every match serves multi-digit subtraction with regrouping questions at exactly the right difficulty.