Skills · The Number System · Whole Number Operations
Estimating sums & products
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- estimate a sum: estimate: 47 + 82
- estimate a product: estimate: 47 × 6
- estimate a quotient: estimate: 2,812 ÷ 58
Sample Sheet · Level 1
- estimate: 75 × 8 =
- estimate: 82 × 3 =
- estimate: 38 + 45 =
- estimate: 35 × 5 =
- estimate: 77 × 4 =
- estimate: 33 + 29 =
- estimate: 32 + 85 =
- estimate: 64 + 23 =
Answer key
- 640
- 240
- 90
- 200
- 320
- 60
- 120
- 80
Sample Sheet · Level 3
- estimate: 801 × 88 =
- estimate: 4,338 ÷ 18 =
- estimate: 336 × 42 =
- estimate: 5,909 ÷ 61 =
- estimate: 5,203 + 5,431 =
- estimate: 3,077 + 2,400 =
- estimate: 6,580 ÷ 46 =
- estimate: 4,590 + 6,343 =
Answer key
- 72,000
- 200
- 12,000
- 100
- 10,000
- 5,000
- 140
- 11,000
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.