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Sledding Hill Sums: Add and Subtract Within 100

Grade 2 sledding hill practice: add and subtract within 100 by splitting tens and ones, counting up, and checking with addition.

Grade 2MathInteractive · Printable

Aligned to2.NBT.B.5

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
12 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 2
Subject: Math
Question types: Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students add two-digit numbers within 100 by adding tens and ones separately.
Students subtract within 100 by breaking a ten or counting up to the next ten.
Students check a subtraction answer with addition and find a place-value mistake.

How to use

Use after teaching tens-and-ones strategies. Let students model the first few problems with base ten blocks, then solve the rest on their own and share how they checked.

Curriculum