Nam e: Date: EP 4/ #: Am azing Facts

Transcription

1 Nam e: Date: EP 4/ #: Am azing Facts Worksheet 1 Listen carefully.then write in numerals these am azing num berfactsto com plete the sentencesbelow.. 1) Acow givesnearly glassesofm ilk in herlifetim e. 2) The biggest memberofthe cat fam ily isthe m ale lion,which weighs kilogram s. 3) The poison-arrow frog hasenough poison to killabout people. 4) Molesare able to tunnelthrough about m etresofearth in a day. 5) The fastest bird isthe Spine-tailed swift,clocked at speedsofup to kilom etresperhour. Read the sentencesbelow outloud.then write the underlined num bersin words. Just in North Am erica,north ofmexico,there are about 91,000(a) known insect species,and in the whole world som e 900,000(b) a) ninety-one thousand b) The most touchesofa footballin one minute,using only the head,while keeping the ballin the air,is341(c ) by Gao C hong from China. c) Arulanantham Suresh Joachim (Australia) ran a distance ofabout 258 km (d) in 24 hours. d) The average distance from Earth to Moon is384,403km (e). e)

2 Name: Date: EP 4/ #: Worksheet 11

3 Name: Date: EP 4/ #: Converting Fractions Converting Improper Fractions to Mixed Numbers Worksheet 12

4 Converting Mixed Numbers to Improper Fractions

5 Name: Date: EP 4/ #: African Safari Adventure Worksheet 2 Napas and Runn began their African safari at the river. They only had two days to see all the wildlife they could. Their parents and the guide kept them safe. The first morning twelve elephants came to the river for their morning bath. Soon Runn counted eighteen zebras coming for water. Twenty-six baboons came over and started making a lot of noise and acting silly. Napas laughed hard and loud at them. His noisy laugh scared ten zebras away. elephant zebra baboon The next day everyone rode into the bush. They stopped to look one rhino standing there. While they were looking, the rhino began to charge them. Napas and Runn screamed, but the guide drove them to safety. Later on, they found a pride of sixteen lions sleeping under a huge acacia tree. Above the lions, played thirty-two monkeys in the tree. rhino lion monkey giraffe jackal Runn and Napas saw a giraffe with a baby standing next to a tree. The giraffe stretched to reach its food with its tongue. Eleven jackals moved nearby to threaten them. The jackals ran away when the jeep came too close to them. Everyone was tired. They d seen no leopards, or hyenas, or cheetahs. Lions hadn t roared, but a rhino had threatened them. What an exciting adventure they had had!

6 Name: Date: EP 4/ #: Use the information from the story to estimate your answers by first rounding off each number to the nearest ten. Show your work on the right. 1) About how many animals did the boys see on the first day of the safari? Answer: 2) About how many zebras were left at the river after Napas laughter scared some away? Answer: 3) If twenty monkeys fell out of the acacia tree, about how many would be left in the tree? Answer: 4) If the lions went to the river on the first day, about how many animals would the boys have seen? Answer: 5) If the baboons did not go to the river on the first day, about how many animals would the boys have seen? Answer:

7 Name : Date: EP 4/ #: Estimating Sums and Differences Worksheet 3

8 Name : Date: EP 4/ #: Estimating Products and Quotients Worksheet 4 Estimate the product or quotient by rounding off the first number to the nearest ten or hundred. Then estimate the value of each. 1) 43 X 5 X 5 6) 56 X 8 X 8 = = 2) 21 X 7 X 7 7) 99 X 2 X 2 = = 3) 72 X 9 X 9 8) = = 4) 68 X 6 X 6 9) = = 5) 37 X 3 X 3 10) = =

9 Name: Date: EP 4/ #: Rainbow Factors (1) Worksheet 5 Write the factors in opposite pairs of clouds for the number in the sun. The first pair in number has been done for you. 1, 2, 3, 6, 9, 18 1, 2, 4, 7, 14, 28 1, 2, 3, 6, 7, 14, 21, 42 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 1, 3, 4, 5, 15, 25, 75 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96

10 Name: Date: EP 4/ #: Write the pairs of factors for the numbers inside the sun. Rainbow Factors (2)

11 Name: Date: EP 4/ #: Understanding Fractions A fraction is a part of a whole. Worksheet 6 A fraction is a part of a whole. Name the following fractions.

12 Colour the fraction named. Fractions on a Number line Write a cross (X) on the number line showing the fractions listed.

13 Name: Date: EP 4/ #: Equivalent Fractions Some fractions may look different but they are really the same. Worksheet 7 Use the pictures above to help you match the equivalent fractions.

14 Finding Equivalent Fractions Why are equivalent fractions the same? 1 / 2 2 / 4 4 / 8 = = Because when you multiply or divide both the top and bottom by the same number, the fraction keeps its value. The rule to remember is: What you do to the top of the fraction, you must also do to the bottom of the fraction! Find the missing denominator in these equivalent fractions.

15 Name: Date: EP 4/ #: Simplest Form Worksheet 8 It is usually best to show an answer in the simplest form (1/2 in this case). You can find the simplest form by dividing the top and the bottom of the fraction until you can t go any further.

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17 Name: Date: EP 4/ #: Mixed Numbers Worksheet 9 Look at the pictures and write the mixed number on the line.

18 Mixed Numbers on a Number Line Write the mixed numbers you see on the number lines. Write a cross (X) on the number line showing the mixed number listed.

19 Name: Date: EP 4/ #: Improper Fractions Worksheet 10

20 Improper Fractions on a Number Line