Multiply by Multiples of Ten
Grade 3 - Math - Building Confidence

NameDate
What is 4 x 30?
5 x 4 = 20. What is 5 x 40?
5 x ____ = 250. Which multiple of ten completes the equation?
- 40
- 60
- 50
Each box holds 30 pencils. How many pencils are in 3 boxes?
3 x 4 = 12. Why does 3 x 40 equal 120?
- 40 is 4 tens, so 3 groups of 40 make 12 tens.
- 3 is 3 tens, so 3 groups of 40 make 120 tens.
- 40 is 4 tens, so 3 groups of 40 make 7 tens.
- 40 is 4 ones, so 3 groups of 40 make 12 ones.
What is 5 x 30?
3 x 5 = 15. What is 3 x 50?
2 x ____ = 60. Which multiple of ten completes the equation?
- 30
- 40
- 20
Each pack holds 20 markers. How many markers are in 4 packs?
4 x 5 = 20. Why does 4 x 50 equal 200?
- 50 is 5 tens, so 4 groups of 50 make 9 tens.
- 50 is 5 tens, so 4 groups of 50 make 20 tens.
- 4 is 4 tens, so 4 groups of 50 make 200 tens.
- 50 is 5 ones, so 4 groups of 50 make 20 ones.