Standard Form: Adding/Subtracting
Quiz by DoodleMaths
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Measure skills
from any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
With a free account, teachers can
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
20 questions
Show answers
- Q1To do 3 × 10³ + 2 × 10⁴, we work out 3000 + 20000 before converting back to standard form.truefalseTrue or False30s
- Q23 × 10³ + 2 × 10⁴ = 3000 + 20000 = 23000 =23 × 10³2.3 × 10⁴5 × 10⁴0.23 × 10³30s
- Q35.2 × 10³ - 1.1 × 10³ = 5200 - 1100 =4.1 × 10²4.1 × 10³41 × 10²6.3 × 10³30s
- Q44.8 × 10³ + 1.3 × 10² = (remember, you can convert to ordinary form to help)6.1 × 10⁴4.93 × 10⁵4.93 × 10³6.1 × 10³30s
- Q56.5 × 10⁴ + 3 × 10³ = 6.8 × 10⁴truefalseTrue or False30s
- Q66.5 × 10⁴ - 3 × 10³ =6.8 × 10⁴3.5 × 10⁴3.5 × 10³6.2 × 10⁴30s
- Q74.54 × 10³ - 3.1 × 10² =4.33 × 10³4.23 × 10³1.44 × 10³4.23 × 10⁵30s
- Q87.51 × 10⁴ + 1.8 × 10³ =7.79 × 10⁴7.69 × 10⁵8.59 × 10⁴7.69 × 10⁴30s
- Q91.5 × 10⁵ + 1.5 × 10⁴ = 1.65 × 10⁵truefalseTrue or False30s
- Q107.9 × 10⁴ - 3.0 × 10³ =4.9 × 10¹7.6 × 10¹4.9 × 10⁴7.6 × 10⁴30s
- Q117 × 10³ + 2 × 10⁴ = _000 + 20000 (fill in the missing digit)Users enter free textType an Answer30s
- Q126 × 10³ + 3 × 10⁴ = 6000 + 30000 = 36000 =0.36 × 10⁵3.6 × 10⁴36 × 10³3.06 × 10⁴30s
- Q134.7 × 10³ - 1.2 × 10³ = 4700 - 1200 =3.5 × 10³35 × 10²59 × 10²5.9 × 10³30s
- Q146.8 × 10³ + 2.3 × 10² = (remember you can convert to ordinary form to help)7.03 × 10³6.93 × 10³6.1 × 10⁴73 × 10²30s
- Q158.5 × 10⁴ + 3 × 10³ = 6.8 × 10⁴falsetrueTrue or False30s