Module 2 Lesson 10 Multiply decimal fractions with tenths by multi-digit whole numbers using place value understanding to record partial products.

5.NBT.7 Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Common Core Standards

Learning Targets I can multiply decimal fractions with tenths by multi-digit whole numbers using place value understanding to record partial products.

Activate Knowledge 3 × 2 is?

Activate Knowledge 3 × 2 x 10 ÷ 10 is?

Activate Knowledge 5 × 0.3 is?

Activate Knowledge 5 × 0.3 x 10 ÷ 10 is?

Activate Knowledge 3 × 2.5 is?

Activate Knowledge 3 × 2.5 x 10 ÷ 10 is?

Activate Knowledge 2 × 3.4 is?

Activate Knowledge 2 × 3.4 x 10 ÷ 10 is?

Activate Knowledge Why are the products the same when we multiply by 10 and then divide by 10?

Activate Knowledge Write the word name 7.463

Activate Knowledge Represent this number in a two-part number bond with ones as one part and thousandths as the other part 7.463

Activate Knowledge Represent it again with tenths and thousandths

Activate Knowledge Represent it again with hundredths and thousandths

Activate Knowledge Write the word name 8.972

Activate Knowledge Represent this number in a two-part number bond with ones as one part and thousandths as the other part 8.972

Activate Knowledge Represent it again with tenths and thousandths

Activate Knowledge Represent it again with hundredths and thousandths

Activate Knowledge Write the word name 6.849

Activate Knowledge Represent this number in a two-part number bond with ones as one part and thousandths as the other part 6.849

Activate Knowledge Represent it again with tenths and thousandths

Activate Knowledge Represent it again with hundredths and thousandths

Activate Knowledge The fifth-grade craft club is making aprons to sell. Each apron takes 1.25 yards of fabric that costs $3 per yard and 4.5 yards of trim that costs $2 per yard. What does it cost the club to make one apron? If the club wants to make $1.75 profit on each apron, how much should they charge per apron?

Learn Problem 1 43 × 2.4 Round the factors to estimate the product.

Learn Problem 1 43 × 2.4 Predict whether our estimate is greater than or less than the actual product.

Learn Problem 1 43 × 2.4 There are 43 units of 2.4. How many tenths is 2.4?

Learn Problem 1 43 × 24 tenths Solve using the standard algorithm

Learn Problem 1 x 10 ÷ 10 Tenths

Learn Problem × 42 Round the factors to estimate the product.

Learn Problem × 42 Predict whether our estimate is greater than or less than the actual product.

Learn Problem × 42 There are 43 units of 2.4. How many tenths is 2.4?

Learn Problem 1 35 tenths x 42 Solve using the standard algorithm

Learn Problem × 73 Round the factors to estimate the product.

Learn Problem × 73 Predict whether our estimate is greater than or less than the actual product.

Learn Problem × 73 There are 43 units of 2.4. How many tenths is 2.4?

Learn Problem tenths x 73 Solve using the standard algorithm

Practice

Review