Estimate
Estimate the answer for 12 x 27
What is 360 or 300?
What is 3 x 3 x 5
Multiply. 43 x 5
What is 215?
Multiply mentally. 300 x 40
What does kilo mean?
What is 1,000?
Estimate the answer for 21 x 59
What is 1,200?
Find the prime factorization of 81
What is 3 x 3 x 3 x 3
Multiply. 275 x 7
What is 1,925?
Multiply. 543 x 21
What is 11,403?
If I have 2 kilograms, how many grams do I have?
What is 2,000?
Estimate the answer for 19 x 99
What is 2,000?
find the prime factorization of 25
What is 5 x 5
Multiply mentally. 120 x 6
What is 720?
Multiply. 85 x 65
What is 5,525?
Draw an area model for 56 x 78
I will look at your boards!
Round 457 to the nearest ten.
What is 460?
find the prime factorization of 36
What is 2 x 2 x 3 x 3
Multiply mentally. 80 x 200
What is 16,000?
Multiply mentally. 3,000 x 60
What is 180,000?
Draw an area model for 54 x 4
I will look at your boards!
Round 34 to the nearest ten.
What is 30?
Find the prime factorization of 54
Multiply. 34 x 56
What is 1,904?
Multiply. 230 x 50
What is 11,500?
I multiplied two digit numbers, but I forgot to get happy. What does "get happy" mean?
Get happy means to create a second row by adding a zero.