Mathematics
Grade 2
15 min
Number lines - up to 1,000
Number lines - up to 1,000
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Identify numbers on a number line up to 1,000.
Place a given number on a number line.
Count forward by 10s and 100s on a number line.
Count backward by 10s and 100s on a number line.
Find the missing number in a sequence on a number line.
Use a number line to compare two numbers up to 1,000.
Can you imagine a ruler so long it could measure a giant's footsteps? 📏 Let's explore one!
We will learn about giant number lines that go all the way to 1,000! They help us see how big numbers are. It makes counting and sorting big numbers super easy. ✨
Real-World Applications
Finding a house number on a very long street 🏡
Measuring long distances, like in a race 🏃♀️
Showing how a plant grows taller over many days 🌱
Keeping track of high sco...
2
Key Concepts & Vocabulary
TermDefinitionExample
Number LineA long, straight line with numbers placed in order. It never ends! ↔️A line showing 100, 200, 300, 400... all in a row.
Tick MarkA small line on the number line that points to a number. 📍The little line that has the number '500' written under it.
IntervalThe space between two tick marks. It's the counting pattern! 🐾The jump from 200 to 210 is an interval of 10.
Counting ForwardMoving to the right on the number line. The numbers get bigger. ➡️Starting at 300 and hopping to 400, then 500.
Counting BackwardMoving to the left on the number line. The numbers get smaller. ⬅️Starting at 900 and hopping back to 800, then 700.
Benchmark NumbersEasy, friendly numbers we use to help us find other numbers. 🎯Using 100, 500, and 1,000 to help find wher...
3
Core Formulas
Counting Forward Rule
Start Number + Interval = Next Number
Use this to find the next number when you are hopping to the right. ➡️
Counting Backward Rule
Start Number - Interval = Previous Number
Use this to find the number before when you are hopping to the left. ⬅️
4 more steps in this tutorial
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Challenging
A rabbit made some jumps on a number line. It jumped back 10, then jumped forward 100. It landed on 300. Where did the rabbit start?
A.210
B.390
C.410
D.200
Challenging
A frog starts at 250 on a number line. It makes 3 equal jumps and lands on 400. How big was each jump?
A.100
B.50
C.25
D.150
Challenging
A number line is marked every 10, starting at 500. The marks are 500, 510, 520, and so on. If you keep going, what number will the 11th mark be?
A.511
B.550
C.600
D.610
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