Students write four-digit numbers in expanded form, rebuild numbers from parts out of order and work with number words.
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This page moves four-digit numbers between standard form, expanded form and words. A breakdown of 7,416 at the top shows that a zero place can be left out, which students need straight away: four of the six numbers they expand have a zero, like 8,064 and 6,903. Going the other way, two sums list the parts out of place order, such as 20 + 8,000 + 3 + 700. Students also switch between numerals and words three times and work backward from the whole number in two missing-part items.
Item 10, 7,000 + 80 + 2, has no hundreds. If a student writes 782, have them say each place aloud ("seven thousand, no hundreds, eighty, two") and write a 0 for the silent place.
For the two mixed-up sums in Section B, have students rewrite the parts from largest to smallest before writing the number.
Ways to adjust the four expanded-form sections for different students.
Each one is checked against the official document. Where the resource covers only part of a standard, the note says so.
Students break four-digit numbers into expanded form, put them back into standard form, switch between numbers and number words, and find a missing part. Numbers stay below 10 000, and everyday uses of numbers are not discussed.
It has no base-ten block pictures, riddles or digit-value questions. All 15 items move numbers between expanded form, standard form and words, including out-of-order sums and missing parts.
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