
24 hundredths + 24 hundredths + 24 hundredths + 24 hundredths = 96 hundredths = 0.96.ĭescribe how you solved Exercise 7 using place value and renaming.ģ2 hundredths there are 30 tenths and 2 hundredths.Ĥ × 0.32 = 1.28 Problem Solving – Page No. So, shade 24 boxes 4 times to get the product. 38 hundredths + 38 hundredths = 76 hundredths = 0.76. So, shade 38 boxes 2 times to get the product. The picture shows that 2 groups of 38 hundredths. There are 30 hundredths are shaded = 0.30 = 0.3 So, shade 6 boxes 5 times to get the product.Ĭount the number of boxes shaded. The picture shows that 5 groups of 6 hundredths. Use the decimal model to find the product. That decimal point moves one Noce M the right for each increasing power of 10. Kirsten needs 1,750 feet of cord to make 1,000 lanyards. So, Kirsten needs _ feet of cord to make 1,000 lanyards.ĭescribe how Kirsten could have solved the problem without writing out the pattern needed. Solve the problem using the correct pattern.Īs you can see from the given pattern, by multiplying 1.75 by different multiplicands, she just replaced the whole number, the number before the decimal point (in our use number 1), with belonging.īut this is not the way we multiply decimal numbers with different powers of number 10. How much cord will Kirsten need?ġ,000 × 1.75 = 1,000.75 Find and describe Kirsten’s error. She needs to make 1,000 lanyards and knows that 1 lanyard uses 1.75 feet of cord.

Kirsten is making lanyards for a convention. 194Īs you multiply by increasing powers of 10, then the position of the decimal point moves towards the right side.Īs you multiply by decreasing powers of 10, the position of the decimal point moves towards the left side


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