The Year of Confusion

When Caesar followed the advice of an Egyptian astronomer and added ninety days to the year we know as 46 B.C., it became the longest and most confusing leap year in history!

 
Publisher

Highlights

Title

The Year of Confusion

Author Name

William L. Steen; DeMar Regier

Category

People & Places

Subject

Leap Year, History World History, calendar, math

Series Name

HL

Series Level

Word Count

620

CEFR level

B2

Language

English

ISBN number

9781682381823

Description

When Caesar followed the advice of an Egyptian astronomer and added ninety days to the year we know as 46 B.C., it became the longest and most confusing leap year in history!

Word lists coverage

The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.
ListTotalCoverage
Eiken Grade 13,1050%
Eiken Grade 28660.46%
Eiken Grade 39006.56%
Eiken Grade 46009.67%
Eiken Grade 560013.17%
Eiken Grade Pre12,8680.1%
Eiken Grade Pre21,3270.98%
Eiken Grade Pre2+1,5621.79%
NDL87514.06%
NGSL 1 to 1,0001,00013.1%
NGSL 1,001 to 2,0001,0002.4%
NGSL 2,001 to 3,0008010.75%
NGSL Supplemental5217.31%

Grammar lists coverage

The word and grammar lists are compiled from commercially available resources and English study websites. They are not intended to be authority. Use at your own discretion.
ListTotalUniqueCoverageUnique
Eiken Grade Pre194940%0%
Eiken Grade 21231220%0%
Eiken Grade Pre21111080%0%
Eiken Grade 348470%0%
Eiken Grade 452490%0%
Eiken Grade 51761390%0%
A13523160%0%
A29498930%0%
B11,1261,1060%0%
B27757600%0%
C14023950%0%
C23123080%0%