Add by counting on - sums to 100
Free printable Grade 1 math worksheet for "Add by counting on - sums to 100" — practice addition: two digits. No-prep, print or assign online.
This worksheet provides practice for first-grade students to add two-digit numbers using the counting on strategy, focusing on sums up to 100. Teachers can use it to reinforce addition skills and promote mental math fluency. The exercises help students build confidence in handling larger sums through step-by-step counting.
Learning objectives
- Add two-digit numbers by counting on from the first number to find the sum.
- Demonstrate understanding of addition strategies with sums up to 100.
- Develop mental math skills by practicing addition without regrouping.
Answer Key
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Add by counting on - sums to 100” worksheet free?
Yes. “Add by counting on - sums to 100” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 1 (ages 6–7), covering Addition: two digits.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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