Practice questions Ch 3

3 min read

1. Place Value and Writing Decimals

Instructions: Write each quantity in decimal form.

  1. 3 ones, 2 tenths, and 8 hundredths
  2. 5 tens, 4 ones, and 9 tenths
  3. 7 ones and 3 hundredths
  4. 2 hundreds, 5 ones, and 4 hundredths
  5. 9 tenths and 2 hundredths
  6. 6 hundredths
  7. 4 tenths
  8. 1 ten, 8 ones, 3 tenths, and 5 hundredths
  9. 8 ones and 1 thousandth
  10. 5 tens and 7 thousandths

2. Addition of Mixed Fractions (Tenths and Hundredths)

Instructions: Find the sum.

  1. 4210+15104 \frac{2}{10} + 1 \frac{5}{10}
  2. 36100+241003 \frac{6}{100} + 2 \frac{4}{100}
  3. 5310+28105 \frac{3}{10} + 2 \frac{8}{10}
  4. 107100+4910010 \frac{7}{100} + 4 \frac{9}{100}
  5. 64105100+231021006 \frac{4}{10} \frac{5}{100} + 2 \frac{3}{10} \frac{2}{100}
  6. 81106100+151041008 \frac{1}{10} \frac{6}{100} + 1 \frac{5}{10} \frac{4}{100}
  7. 12510+371012 \frac{5}{10} + 3 \frac{7}{10}
  8. 78100+261007 \frac{8}{100} + 2 \frac{6}{100}
  9. 92103100+461071009 \frac{2}{10} \frac{3}{100} + 4 \frac{6}{10} \frac{7}{100}
  10. 154101100+3510910015 \frac{4}{10} \frac{1}{100} + 3 \frac{5}{10} \frac{9}{100}

3. Subtraction of Mixed Fractions

Instructions:Find the difference.

  1. 5810−23105 \frac{8}{10} - 2 \frac{3}{10}
  2. 97100−421009 \frac{7}{100} - 4 \frac{2}{100}
  3. 6510−19106 \frac{5}{10} - 1 \frac{9}{10} (Use regrouping)
  4. 82100−371008 \frac{2}{100} - 3 \frac{7}{100}(Use regrouping)
  5. 106108100−4210310010 \frac{6}{10} \frac{8}{100} - 4 \frac{2}{10} \frac{3}{100}
  6. 153104100−7110910015 \frac{3}{10} \frac{4}{100} - 7 \frac{1}{10} \frac{9}{100}
  7. 12410−571012 \frac{4}{10} - 5 \frac{7}{10}
  8. 201100−6510020 \frac{1}{100} - 6 \frac{5}{100}
  9. 75102100−381061007 \frac{5}{10} \frac{2}{100} - 3 \frac{8}{10} \frac{6}{100}
  10. 112101100−2910810011 \frac{2}{10} \frac{1}{100} - 2 \frac{9}{10} \frac{8}{100}

4. Number Sequences and Patterns

Instructions: Identify the change after each term and write the next three terms in the sequence.

  1. 2,2310,2610,…2, 2 \frac{3}{10}, 2 \frac{6}{10}, \dots
  2. 5110,5410,5710,…5 \frac{1}{10}, 5 \frac{4}{10}, 5 \frac{7}{10}, \dots
  3. 3210,4310,5410,…3 \frac{2}{10}, 4 \frac{3}{10}, 5 \frac{4}{10}, \dots
  4. 9810,9510,9210,…9 \frac{8}{10}, 9 \frac{5}{10}, 9 \frac{2}{10}, \dots
  5. 6510,6,5510,…6 \frac{5}{10}, 6, 5 \frac{5}{10}, \dots
  6. 12910,11710,10510,…12 \frac{9}{10}, 11 \frac{7}{10}, 10 \frac{5}{10}, \dots
  7. 1110,1510,1910,…1 \frac{1}{10}, 1 \frac{5}{10}, 1 \frac{9}{10}, \dots
  8. 7710,7210,6710,…7 \frac{7}{10}, 7 \frac{2}{10}, 6 \frac{7}{10}, \dots
  9. 4,4410,4810,…4, 4 \frac{4}{10}, 4 \frac{8}{10}, \dots
  10. 20510,19410,18310,…20 \frac{5}{10}, 19 \frac{4}{10}, 18 \frac{3}{10}, \dots
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