☰ Contents · Mathematics

Review: numbers within 20 and 100, lines, perimeter

Lessons 1–5 · 5 lessons · I.V. Repyova, Y.V. Zemlina. Mathematics Grade 2, Parts 1–4. Novda Edutainment, 2023
Answers are for parents and teachers.
1
Calculate: 9 + 6, 15 − 8, 7 + 7.
2
Problem: Karim picked 30 apples and Said picked 40. How many in all?
3
Find the perimeter of a rectangle with sides 3 dm and 5 dm (in dm).
4
Solve the equation: y + 16 = 37.
5
Draw two straight lines in your notebook and mark their intersection with the letter O.