topic badge

6.05 Finding unknowns

Interactive practice questions

Fill in the box with the missing number.

$\editable{}\times4=8$×4=8

Easy
< 1min

Fill in the box with the missing number.

Easy
< 1min

Fill in the box with the missing number.

Easy
< 1min

Fill in the box with the missing number.

Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

3.OA.A.4

Determine the unknown whole number in a multiplication or division equation relating three whole numbers.

3.OA.B.6

Understand division as an unknown-factor problem.

3.OA.C.7

Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g. Knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of grade 3, know from memory all products of two one-digit numbers.

What is Mathspace

About Mathspace