Number sense worksheets
Rounding, comparing numbers, expanded form, missing addends, GCF and LCM. All 8 worksheets below are free to print, generate new problems every time and include an answer key.
- Missing addend worksheets
Missing addend problems connect addition and subtraction and are an early form of algebra: 7 + ? = 12 is the same question as 12 − 7..
Grade 1 – Grade 2 - Rounding to the nearest 10
Look at the ones digit: 5 or more rounds up, 4 or less rounds down.
Grade 3 - Rounding to the nearest 100
Look at the tens digit to decide whether to round up or down.
Grade 3 – Grade 4 - Rounding to the nearest 1,000
Rounding larger numbers is useful for estimating sums and products.
Grade 4 - Comparing numbers worksheets
Students compare two numbers from 100 to 9,999 by looking at place value from the left.
Grade 2 – Grade 3 - Writing numbers in expanded form
Writing 4,072 as 4,000 + 70 + 2 makes place value visible, including the role of zero..
Grade 2 – Grade 4 - Greatest common factor (GCF)
The greatest common factor is the largest number that divides both numbers exactly.
Grade 5 – Grade 6 - Least common multiple (LCM)
The least common multiple is the smallest number that both numbers divide into exactly.
Grade 5 – Grade 6
Keep practicing
Other topics
Addition
From sums within 10 to 4-digit column addition with regrouping (carrying).
7 worksheetsSubtraction
Facts within 10 and 20, then multi-digit subtraction with and without borrowing.
6 worksheetsMultiplication
Times tables 1 to 12, mixed facts and multi-digit long multiplication.
17 worksheetsDivision
Division facts and long division, with or without remainders.
6 worksheetsFractions
Simplifying, comparing, adding, subtracting, multiplying and dividing fractions.
10 worksheetsDecimals
Adding, subtracting, multiplying and dividing decimals, and multiplying by 10, 100 and 1,000.
7 worksheetsPre-algebra
Integers, order of operations, exponents, percentages and equations.
10 worksheetsTime, money & measurement
Telling time on a clock, adding and subtracting money, and converting units.
8 worksheets