Number Sense: (-1) - (-3)

In this Grade 7 lesson on Number Sense, you will practice solving problems like: "What is (-1) - (-3)?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of number sense step by step.

Nice work!

You got 0 of 5 right.

Next: Number Sense: 2 - 9 All lessons

🎯

Next Smart Lesson

We'll pick a lesson that matches exactly where your math is right now.

✨ More to explore

🌍 Where you'd use this: Every time you check the score, count change, or figure out how long until something — that's this.

🤯 Fun fact: 🤯 Your brain can do basic math faster than a 1980s computer. Probably faster than this phone too — for tiny numbers.

🏆 Try this week: At dinner, calculate everyone's meal in your head before the receipt comes.

👨‍👩‍👧 At dinner: “What's the fastest way you can think of to solve 27 + 18? No paper.”

🧮Share card

Challenge a friend

Send it to a parent looking for a 5-minute math win that doesn't feel like homework.

Back

Ready?

Number Sense: (-1) - (-3)

Crunch the numbers. Beat your old time.

Full screen — no distractions

Done with math? Try something else

🎮Math Games 📖Math Flashcards 🖨️Math Worksheet 🧪Science 💻Coding 🛍️Shop 🎲I'm Bored

🖨️

Print the whole Number Sense track

All 7th Grade Number Sense lessons as a printable PDF, with worksheets and answer keys.

View in Shop

Number Sense: (-1) - (-3)

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Next Smart Lesson

Challenge a friend

Number Sense: (-1) - (-3)

Done with math? Try something else

Your Cart (0)