Estimating Products of Decimals

Miss Lola introduces a lesson on estimating products of decimals, emphasizing the importance of rounding. The video covers rounding whole numbers and decimals, with practice problems to reinforce learning. The lesson concludes with a recap, ensuring students understand how to estimate effectively.

What is the first step when you hear the word 'estimate'?

• Round the numbers

• Add the numbers

• Multiply the numbers

• Subtract the numbers

When rounding a number like 672, which digit do you look at to decide how to round?

• The digit in the units place

• The digit in the hundreds place

• The digit in the thousands place

• The digit in the tens place

If you have the number 31.63, to which place do you round it?

• Tenths place

• Tens place

• Units place

• Hundreds place

What is the rounded value of 0.87 to the nearest tenth?

• 1.0

• 0.7

• 0.9

• 0.8

What is the product of 100 and 80 when rounded?

• 1000

• 800

• 2000

• 1800

How do you round the number 9.3 to the nearest whole number?

• 10

• 9.5

• 8

• 9

What is the rounded value of 2.5 to the nearest whole number?

• 2.6

• 2.4

• 3

• 2

If you have 0.54 and you round it to the nearest tenth, what do you get?

• 0.4

• 0.6

• 0.55

• 0.5

What is the estimated product of 0.54 and 104?

• 5

• 50

• 500

• 54

Where should the decimal point be placed in the product of 0.87 and 412 to make sense?

• 36

• 3.6

• 360

• 3600