Topics › Grade 1 › Add Within 100 (Multiples of 10)
Grade 1 · NBT

Add Within 100 (Multiples of 10)

Add a two-digit number and a one-digit number, or add multiples of ten.

Grade 1Common Core 1.NBT.C.4NBTVerified correct ✓

Worked examples

59 + 90 = ?
Answer: 149
64 + 30 = ?
Answer: 94

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

Master Add Within 100 (Multiples of 10)

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

Start your free trial 🐾

Build up to this

Tens and Ones (Place Value to 99)

More Grade 1 topics

Adding to 20Subtracting within 20Add and Subtract Word Problems within 20Add Three Whole NumbersFind the Missing AddendApply Addition PropertiesTens and Ones (Place Value to 99)Compare Two-Digit Numbers