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Unit 4

Unit 4. 5 th grade Everyday Mathematics Math Messages & Mental Math. MM 4.1. For each of the following multiplication facts, write two related division facts: 8 *7 = 56 (56/7 = 8)(56/8 = 7) 9 * 6 = x (x/6 = 9)(x/9 = 6) How many 5s in 25? How many 50s in 250? How many 5s in 250?.

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Unit 4

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  1. Unit 4 5th grade Everyday Mathematics Math Messages & Mental Math

  2. MM 4.1 • For each of the following multiplication facts, write two related division facts: • 8 *7 = 56 (56/7 = 8)(56/8 = 7) • 9 * 6 = x (x/6 = 9)(x/9 = 6) • How many 5s in 25? • How many 50s in 250? • How many 5s in 250?

  3. MM 4.2 • Amy is 127 days older than Bob. How many weeks is that? • Solve the following problems: • How many 5s are in 45? • What number times 9 equals 27? • What is 3 times 120? • How many 4s are in 32? • What number times 8 equals 40? • Multiply 5 times 80. • What number times 7 equals 35? • How many 5s are in 60? • Multiply 12 by 4. • 10 times what number equals 120? • How many 12s are in 36? • Multiply 55 by 3.

  4. MM 4.3 • Begin reading about the First Americans on page 299 of your SRB. • Decide whether the following fractions are closer to 0, ½ or 1. • 3/8 • 5/6 • 7/12 • 1/5 • 2/5 • 7/9

  5. MM 4.4 • A rope is 87.6 meters long. You are to cut the rope into 12 pieces, all the same length. About how long should each piece be? Do not calculate the exact answer.

  6. MM 4.5 • There are 100 minutes of computer time for 8 students to share equally. How many minutes should each student get? • Find solutions to the following problems: • 1/10 of 10 • 1/10 of 600 • 1/10 of 900 • 1/10 of 18 • 1/10 of 305 • 1/10 of 234 • 10 * 8 • 10 * 40 • 10 * 58 • 10 * 0.7 • 10 * 0.79 • 10 * 90.6

  7. MM 4.6 • Roll 2 dice. Multiply the numbers shown by the dots on the top faces. Let the letter P stand for this product. Find the number 20 * P. Record your work on the slips of paper that are near the Math Message. • Round to the nearest whole number: • 24.2 • 308.56 • 77.09 • Round to the nearest tenth: • 17.63 • 109.14 • 239.86

  8. MM 4.6b • Complete the Time to Reflect questions on journal page 120.

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