Switching from Math Mammoth to Singapore Math: which level to check first

Find the last Math Mammoth level your child worked in to see where to look in Singapore Math, how strong the evidence is, and the free placement test to give next.

In short

No direct crosswalk: no publisher we found publishes one from Math Mammoth to Singapore Math
How we place them: both programs on one shared grade scale, from each publisher's own level guidance
Example: finishing Grade 3 in Math Mammoth points to 4A / 4B in Singapore Math, or 3A / 3B if the placement test shows gaps (Confirmed by publisher)
Evidence: across all 8 Math Mammoth levels, 8 Confirmed by publisher
The real answer: the placement test

Checked Oct 17, 2026. Built from the same table as our math switch helper and methodology page.

Singapore Math placement tests

Singapore Math says it is common and appropriate for students coming from another curriculum to begin at an earlier level. There is a test for each half level (A and B).

Math Mammoth to Singapore Math, level by level

Last Math Mammoth level	Finished it: look first at	About halfway: look first at	Evidence
Grade 1	2A / 2B If the test shows gaps: 1A / 1B	1A / 1B	Confirmed by publisher	Open in the helper
Grade 2	3A / 3B If the test shows gaps: 2A / 2B	2A / 2B If the test shows gaps: 1A / 1B	Confirmed by publisher	Open in the helper
Grade 3	4A / 4B If the test shows gaps: 3A / 3B	3A / 3B If the test shows gaps: 2A / 2B	Confirmed by publisher	Open in the helper
Grade 4	5A / 5B If the test shows gaps: 4A / 4B	4A / 4B If the test shows gaps: 3A / 3B	Confirmed by publisher	Open in the helper
Grade 5	6A / 6B If the test shows gaps: 5A / 5B	5A / 5B If the test shows gaps: 4A / 4B	Confirmed by publisher	Open in the helper
Grade 6	Past 6A / 6B, the last level	6A / 6B If the test shows gaps: 5A / 5B	Confirmed by publisher	Open in the helper
Grade 7	Past 6A / 6B, the last level	Past 6A / 6B, the last level	Confirmed by publisher	Open in the helper
Grade 8	Past 6A / 6B, the last level	Past 6A / 6B, the last level	Confirmed by publisher	Open in the helper

Why these levels

Math Mammoth: Math Mammoth's Light Blue Series is organized by grade level, with a grade-level book and end-of-year placement test for each of grades 1 to 8. Sources: Math Mammoth Light Blue Series: complete curriculum by grade level, Math Mammoth placement tests for grades 1-8 (end-of-year tests).

Singapore Math: Singapore Math says its levels align with U.S. grades and that students switching in often start at an earlier level. Sources: Singapore Math placement tests: levels align with U.S. grades; switching students often start earlier, Nicole the Math Lady placement examples (Abeka K to Singapore 1A; part of Saxon 2 to Singapore 2A).

A match is only as strong as its weaker side. Confirmed by publisher means both publishers state the level we used, not that they confirmed the pairing. Supported by parent reports means at least one side rests on reviewers or parents. Unverified means we found no source for at least one side.

How to make the switch

Note the last Math Mammoth level your child worked in and whether they finished it.
Find it in the table above and note the evidence level.
Give the Singapore Math placement guidance on a calm day, without helping. Follow the publisher's instructions for scores near a cutoff.
Compare the Singapore Math level's scope and sequence with what your child already covered.
Use free samples or trial lessons for a week before buying the full level.
Check the sale timing before you buy. When Singapore Math usually goes on sale. When Math Mammoth usually goes on sale.

Going the other way? See Singapore Math to Math Mammoth. Comparing more programs, or not sure a switch will help? The math switch helper starts with that question.

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Questions parents ask

Does Singapore Math have a placement test?

Singapore Math placement tests: https://www.singaporemath.com/pages/placement-tests. Singapore Math says it is common and appropriate for students coming from another curriculum to begin at an earlier level. There is a test for each half level (A and B).

Is Grade 3 in Math Mammoth the same as 4A / 4B in Singapore Math?

Not exactly. Programs teach topics in different orders. On our scale, a child who finished Grade 3 in Math Mammoth is at about the point where 4A / 4B in Singapore Math begins, so that is the level to check first. Evidence level: Confirmed by publisher. No publisher publishes a crosswalk between these two programs.

Why might my child place differently in Singapore Math?

How we placed Math Mammoth: Math Mammoth's Light Blue Series is organized by grade level, with a grade-level book and end-of-year placement test for each of grades 1 to 8. How we placed Singapore Math: Singapore Math says its levels align with U.S. grades and that students switching in often start at an earlier level.

Should we switch at all?

Often a pacing change in the program you own works first: slow down, review, skip ahead or trim problems. A switch makes the most sense when the format or content does not fit your child or family. The switch helper walks through this first.

When does Singapore Math usually go on sale?

No dated sale found. Standing offer: Free shipping in the contiguous US on orders of $100 or more. Details and sources: https://homeschoolhaul.com/sale-calendar/singapore-math/

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