Topics › Grade 2 › Mentally Add or Subtract 10 or 100
Grade 2 · NBT

Mentally Add or Subtract 10 or 100

Add or subtract 10 or 100 from any three-digit number in your head.

Grade 2Common Core 2.NBT.B.8NBTVerified correct ✓

Worked examples

179 + 100
Answer: 279
468 + 100
Answer: 568

Every problem on Pounce is generated and checked by code — never a wrong answer key.

Master Mentally Add or Subtract 10 or 100

Code-verified problems at exactly the right level, explained the way your kid learns.

Start your free trial 🐾

Build up to this

Place Value — Hundreds, Tens, and Ones

More Grade 2 topics

Add and Subtract Within 20 FluentlyWord Problems — Add and Subtract within 20Even and Odd NumbersRectangular Arrays and Repeated AdditionAdding within 100Subtracting within 100Place Value — Hundreds, Tens, and OnesCount Within 1000 by 5s, 10s, and 100s