Unit review; year review: numbers, operations, equations and problems

Lessons 147–150 · 4 lessons · I.V. Repyova. Mathematics Grade 3, Parts 1–4. Novda Edutainment, 2023

Answers are for parents and teachers.

Calculate 6 408 215 − 3 579 640.

Calculate 408 × 26.

Calculate 5 040 : 36.

Find the root of the equation (x + 18) × 5 = 200.

Madina wants to save 240 000 sum. She gets 10 000 sum a day and spends 4 000 sum. In how many days will she save 240 000 sum?