SME
Grade 4 Math
Number & Base Ten
Place value and rounding to one million
Main lesson
Round multi-digit numbers
Use this for “What is 47,382 rounded to the nearest thousand?”
Compare multi-digit numbers
Use this for “Which is greater: 425,900 or 452,000?” with >, < or =.
Read and write multi-digit numbers
Use this for “Which of these is equal to 6,000 + 60 + 6?” and number names.
Add multi-digit numbers
Use this for sums to 1,000,000 in columns, like 36,325 + 23,310.
Subtract multi-digit numbers
Use this for “Subtract: 8,214 − 5,639.”
Estimate sums
Use this for “About how many in all? 36,325 + 23,310” by rounding first.
Estimate differences
Use this for “About how many more? 61,209 − 27,845” by rounding first.
Subtract across zeros
Use this for “Subtract: 5,000 − 2,346” when the start has zeros to regroup across.