H.1 Estimate products with one-digit factors

Estimate the product. First round 32 to the nearest ten. Then multiply.

9 × 32

The product is approximately .

Estimate the product. First round 21 to the nearest ten. Then multiply.

7 × 21

The product is approximately .

Estimate the product. First round 76 to the nearest ten. Then multiply.

4 × 76

The product is approximately .

Estimate the product. First round 54 to the nearest ten. Then multiply.

8 × 54

The product is approximately .

Estimate the product. First round 284 to the nearest hundred. Then multiply.

284 × 9

The product is approximately .

Estimate the product. First round 372 to the nearest hundred. Then multiply.

5 × 372

The product is approximately .

Estimate the product. First round 57 to the nearest ten. Then multiply.

8 × 57

The product is approximately

Estimate the product. First round 648 to the nearest hundred. Then multiply.

7 × 648

The product is approximately .

Estimate the product. First round 97 to the nearest ten. Then multiply.

7 × 97

The product is approximately .

Estimate the product. First round 73 to the nearest ten. Then multiply.

5 × 73

The product is approximately .

Estimate the product. First round 87 to the nearest ten. Then multiply.

5 × 87

The product is approximately .

Estimate the product. First round 949 to the nearest hundred. Then multiply.

949 × 9

The product is approximately .

Estimate the product. First round 84 to the nearest ten. Then multiply.

84 × 6

The product is approximately .

Estimate the product. First round 342 to the nearest hundred. Then multiply.

342 × 3

The product is approximately .

Estimate the product. First round 68 to the nearest ten. Then multiply.

7 × 68

The product is approximately .

Estimate the product. First round 43 to the nearest ten. Then multiply.

6 × 43

The product is approximately .

Estimate the product. First round 724 to the nearest hundred. Then multiply.

724 × 6

The product is approximately .

Your score is

The average score is 90%

✨✨ Need help? Let’s warm up!

Multiply by multiples of 100 and 1,000

🎯 Next up: Keep practicing!

Choose the correct area model

Multiply using the distributive property