https://stevewyborney.com/2017/02/splat/
https://stevewyborney.com/2018/09/100-subitizing-slides-10-challenge-patterns/
5th grade math objectives:
Write and interpret numerical expressions.
analyze patterns and relationships.
number and operations in Base ten
Understand the place value system.
Perform operations with multi-digit whole numbers and with decimals to hundredths.
number and operations—fractions
Use equivalent fractions as a strategy to add and subtract fractions.
apply and extend previous understandings of multiplication and division to multiply and divide fractions.
measurement and data
Convert like measurement units within a given measurement system.
represent and interpret data.
Geometric measurement: understand concepts of volume and relate volume to multiplication and to addition.
Geometry
Graph points on the coordinate plane to solve real-world and mathematical problems.
Classify two-dimensional figures into categories based on their properties.
