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Math Review: Multiply, Compare, Estimate, Round, and Calculate

This end-of-module review covers various math topics, including multiplication using an area model, comparison using symbols, estimation, and rounding numbers. Practice with answer keys provided. Improve your math skills with this comprehensive review.

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Math Review: Multiply, Compare, Estimate, Round, and Calculate

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  1. TrashketBall Module 1 –End-of-module review

  2. Round 1 –multiply using an Area model • 2 x 3.57 • 3 x 4.03 • 4 x 2.6

  3. Round 1 –Multiply using an Area model ANSWER KEY • 2 x 3.57 = 7.14 • 3 x 4.03 = 12.09 • 4 x 2.6 = 10.4

  4. Round 2 – COMPARE USING >, <, OR = • 3 tenths + 12 hundredths 0.15 • 275 hundredths + 5 tenths 2 + 80 hundredths • 1 + 22 x + 52 x 1.272 • 15 + 64 x + 3 x 21.43 • .2 x 103 + .003 x 102 .02 x 10 + .03 x 104

  5. Round 2 – COMPARE USING >, <, OR =ANSWER KEY • 3 tenths + 12 hundredths > 0.15 • 275 hundredths + 5 tenths >2 + 80 hundredths • 1 + 22 x + 52 x >1.272 • 15 + 64 x + 3 x <21.43 • .2 x 103 + .003 x 102<.02 x 10 + .03 x 104

  6. round 3 –Estimate to add by rounding to the nearest tenth before finding the sum • 9.752 + 10.981 + 8.442 • 7.963 + 3.257 + 12.561 • 4.992 + 3.014 + 14.207 • 6.009 + 9.953 + 10.062 • 11.397 + 3.739 + 9.894

  7. round 3 –Estimate to add by rounding to the nearest tenth before finding the sumanswer key • 9.752 + 10.981 + 8.442 = 9.8 + 11.0 + 8.4 = 29.2 • 7.963 + 3.257 + 12.561 = 8.0 + 3.3 + 12.6 = 23.9 • 4.992 + 3.014 + 14.207 = 5.0 + 3.0 + 14.2 = 22.2 • 6.009 + 9.953 + 10.062 = 6.0 + 10.0 + 10.1 = 26.1 • 11.397 + 3.739 + 9.894 = 11.4 + 3.7 + 9.9 = 25.0

  8. round 4 –Subtract, multiply, or divide • 10.073 – 6.48 • 9 – 0.084 • 4 x 1.792 • 8.035 ÷ 5 • 3.612 ÷ 6

  9. round 4 – Subtract, multiply, or divideanswer key • 10.073 –6.48 = 3.593 • 9 –0.084 = 8.916 • 4 x 1.792 = 7.168 • 8.035 ÷ 5 = 1.607 • 3.612 ÷ 6 = 0.602

  10. round 5 – ROUND • Round 2.73m to the nearest meter • Round 14.438g to the nearest gram • Round 11.075cm to the nearest centimeter • Round 2.924 to the nearest hundredth • Round 9.953 to the nearest whole

  11. round 5 – ROUNDanswer key • Round 2.73m to the nearest meter = 3m • Round 14.438g to the nearest gram = 14g • Round 11.075cm to the nearest centimeter = 11cm • Round 2.924 to the nearest hundredth = 2.92 • Round 9.953 to the nearest whole = 10

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