Inverse problems and end-of-year review

Lessons 141–144 · 4 lessons · I.V. Repyova, Y.V. Zemlina. Mathematics Grade 1, Parts 1–4. Novda Edutainment, 2023

Answers are for parents and teachers.

For the summer: solve 5 sums every day (adding and subtracting to 100).

Solve: x + 26 = 59; x − 33 = 44; 80 − x = 30

Write and solve 2 problems about “Travel”.

Find square, rectangular and round things at home; measure the perimeter of the four-sided ones.

Problem: A holiday camp had 64 people; 23 left. How many stayed?