[L2] Journey of Sand and Soil
Practice
Lesson 2 to practice multiplying multi-digit numbers by exploring the amount of sediment deposited during different seasons of the year. CC Standard: 4.NBT.B.5: Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. Practice Lesson 2 Context: Amount of sediment deposited by the Green River in Utah. Graphs: Number line, Dot plot, Bar chart Number of questions: 15 Difficulty level: Medium Estimated time: 20 mins
After heavy rains, rivers can carry large amounts of sand, soil, and tiny rocks. These are called sediments. Scientists track sediment levels, which help them understand how weather and seasons affect rivers. Let's explore the amount of sediment deposited by the Green River in Utah during different seasons of the year. Click Next to get started!
Topics and standards: Grade 4, Tuva Jr., 4-NBT-B-5, RMP L2, Multiplying Multi-digit Numbers, Multiplication, 4-N-2-3