Accessibility Menu
High Contrast
Grayscale
Bigger text
Highlight Links
Reset
Skip to main content
en
For Teachers
For Parents
Math Activities
By Grade Level
Kindergarten
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Grade 6
Grade 7
Grade 8
Grade 9
By Topics
Numbers up to 20
Numbers up to 100
Numbers up to 1,000
Large numbers
Number theory
Fractions
Decimals
Negative numbers
Real numbers
Ratio and proportion
Percentages
Powers and roots
Sequences
Algebra and equations
2D geometry
The Cartesian plane
3D geometry
Measurement
Data and statistics
Probability
Mathematical thinking
Other activities
Product
Product Features
Technical Requirements
Multilingual
Our Pedagogy
Math Quizzes
Weekly Challenge
Explore Student Experience
Training
Contact Us
+55115555-0295
Log in
Try Matific
By Grade
Kindergarten
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Grade 6
Grade 7
Grade 8
Grade 9
By Textbook
Cambridge Primary Mathematics Textbook
Book 4
Unit 8 - Angles
8.2 Acute and obtuse
8.3 Estimating angles
Filters
Activity Type
All
Episodes
Worksheets
Word Problems
Unit 8 - Angles for Grade 4
Show
By Grade
Grade 4
By Textbook
Unit 8 - Angles
Filters
Activity Type
Get started
with Matific, try for free
Teacher
School Leader
Parent
Student
Matific v6.4.1
Choose your language
Cancel
English
Português
We noticed that you are from
Do you want to visit our website in your country?
Yes
No, stay on the site
You will be redirected in
10 seconds
